Your local Norman Commercial Roofing team

Commercial Roofing in Norman Built for Hail, Wind and Flat Decks

Commercial Roofing in Norman means flat and low-slope roof systems that survive Oklahoma hail, 70 mph wind gusts and summer heat that pushes membrane surface temps past 150 degrees. We install, repair and maintain TPO, EPDM, PVC and modified bitumen roofs on retail, office, medical and industrial buildings from Downtown Norman to the Sooner Mall Area. Our crews carry hot air welders, infrared thermal cameras and moisture meters on every truck, so we find the leak instead of guessing at it.

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Commercial Roofing in Norman, Oklahoma Done Right

Commercial Roofing in Norman is the work of keeping flat and low-slope roof systems watertight on buildings that carry real traffic, real inventory and real tenants. That covers everything from a 4,000 sq ft retail strip near Sooner Mall to a 40,000 sq ft office building on the west side. Norman sits in one of the state's hardest hail and wind corridors, and the roofs here take a beating every spring. We work the whole city, from Campus Corner storefronts near the University of Oklahoma to warehouse and shop buildings along the I-35 corridor. As a commercial roofing contractor Norman Oklahoma property managers call back, we handle TPO, EPDM, PVC, modified bitumen and built-up roofing systems, plus the flashing, insulation board and drainage details that decide whether a roof lasts 12 years or 25. Our crews are trained on Carlisle SynTec, Firestone Building Products, GAF and Johns Manville systems, and we follow NRCA installation standards on every deck we touch. Whether you need commercial roof installation Norman-wide on a new build or commercial roof repair on a building that has leaked through three contractors, we start with a moisture survey, not a sales pitch.

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Norman has a commercial roof profile you do not see in every Oklahoma city. The University of Oklahoma drives year-round traffic into Campus Corner and the surrounding retail and student-housing blocks, so those roofs cannot sit under a tarp for a month waiting on a crew. Meanwhile the west side along I-35 keeps adding distribution, medical and office square footage, and those buildings run TPO and EPDM membranes that need real maintenance, not patch-and-pray. Add hail season, high wind zones and summer UV that cooks membrane seams, and you get a city where roof problems show up fast and cost real money in downtime. We keep crews and material staged to serve Norman weekly, not once a quarter.

De La Cruz Roofing and Construction

Services available in Norman

Commercial Roofing Services Norman Property Owners Use

Norman commercial buildings split into two rough groups: older downtown and Campus Corner structures with modified bitumen or built-up roofs, and newer west-side retail, medical and industrial buildings running TPO and EPDM membrane. Both groups need the same three things, inspections that actually find moisture, repairs that hold through the next storm, and replacements sized to the building's real budget. If you have been searching for commercial roof repair near me Norman OK and getting voicemails, we answer the phone and put eyes on the roof.

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Commercial Roof Installation

New commercial roof installation in Norman starts with deck inspection, insulation board layout and a membrane spec matched to the building's use. We install TPO, EPDM and PVC systems on retail, office, medical and industrial buildings across ZIP codes 73069 and 73072, with hot air welding on every seam and manufacturer-certified details at curbs, drains and penetrations.

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Commercial Roof Replacement

When repairs stop paying for themselves, we tear off and replace commercial roofs in Norman with minimal tenant disruption. Most 10,000 to 25,000 sq ft flat roofs take 5 to 12 working days depending on deck condition, wet insulation volume and weather. We phase work around business hours so storefronts near Campus Corner and Downtown Norman stay open.

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Commercial Roof Repair

Norman commercial roof repair covers seam separation, flashing failures, membrane punctures, drain clogs and hail bruising. We locate the source with infrared thermal imaging and moisture meters before we cut anything open, then repair with matching membrane and manufacturer-approved adhesives. Most single-area repairs are done in one visit.

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Commercial Roof Maintenance

Twice-a-year maintenance keeps Norman commercial roofs ahead of hail season and summer heat. We clear drains, broom off debris, reseal seams, check fasteners and document everything with photos. Buildings on a maintenance plan catch small failures before they soak insulation board, which is the difference between a $900 repair and a $40,000 replacement.

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Commercial Roof Inspections

Commercial roof inspection Norman Oklahoma property owners schedule for insurance, real estate transactions or annual planning includes core samples, moisture mapping and a written condition report with remaining service life estimates. We walk the roof, not the parking lot. Reports are delivered within 48 hours with photos and repair priorities ranked by urgency.

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TPO Roofing Systems

TPO membrane is the most common white roof we install in Norman because it reflects heat and handles UV well. We use Carlisle SynTec and Firestone Building Products TPO, mechanically attached or fully adhered depending on deck type and wind zone. Seams are hot air welded and probed, not glued and hoped for.

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EPDM Roofing Systems

EPDM membrane remains a workhorse on Norman warehouse and industrial roofs because it handles thermal movement and hail impact well. We install and repair 60-mil and 90-mil EPDM with proper seam tape, primers and flashing details. On large low-slope decks along the I-35 corridor, EPDM often beats TPO on installed cost.

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PVC Roofing Systems

PVC membrane is the right call for Norman restaurants, commercial kitchens and any roof exposed to grease, oils or chemicals that degrade TPO and EPDM. We install Sika Sarnafil and Versico PVC systems with heat-welded seams and chemical-resistant flashing. It costs more per square, and it lasts where other membranes fail early.

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Modified Bitumen Roofing

Many older Norman buildings around Downtown and Campus Corner have modified bitumen roofs that still have life left. We repair and re-cover them with torch-down or self-adhered cap sheets, matching granule surfaces and reinforcing flashings. When the deck is sound, a modified bitumen re-cover saves 30 to 50 percent over full replacement.

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Built-Up Roofing BUR

Built-up roofing still covers a share of Norman's older commercial stock, and it can be restored rather than torn off. We repair BUR with matching felt plies and asphalt, then apply reflective roof coating to cut cooling load and extend service life. On the right building, coating a BUR roof buys 10 more years for a fraction of replacement cost.

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Who we serve in Norman

Two very different jobs. One local crew.

For homes

Residential Roofing Services in Norman

Norman homeowners face the same hail and wind that hits commercial buildings, and the housing stock here ranges from older bungalows near Downtown and Campus Corner to newer builds in Westwood and the south side. Residential roofing in Norman means asphalt shingle replacement, storm damage repair, flashing work and gutters, all scheduled around family routines. We handle residential work with the same crew discipline we use on commercial jobs, which means we show up when we say we will, protect your landscaping, and clean up with a magnet sweep before we leave. If you have storm damage, we document it with photos so your insurance claim is straightforward.

01Asphalt shingle roof replacement

Full tear-off and replacement of asphalt shingle roofs on Norman homes, including new underlayment, ice and water shield at valleys and eaves, and proper ridge ventilation. Most Norman homes take one to three days depending on size and pitch. We haul off all old material and magnet-sweep the yard for nails.

02Storm and hail damage repair

Norman hail season dents shingles, bruises mat and cracks seals, which leads to leaks months later. We inspect after storms, document damage with photos for your insurance claim, and replace affected shingles or full slopes as needed. We work directly with adjusters to keep the process moving.

03Flashing and leak repair

Chimney flashing, vent boots, valley metal and step flashing are the most common leak sources on Norman homes. We diagnose with moisture readings, repair or replace the failed flashing, and test before we close up. Most residential leak repairs are done in one visit.

04Gutter and drainage work

Norman's heavy spring rain overwhelms undersized or clogged gutters, which pushes water into fascia and foundation. We install and repair seamless gutters, downspouts and extensions sized to your roof area and roof pitch. Proper drainage protects the roof edge and the foundation at the same time.

Written estimate with line-item pricing before any work starts, so you know exactly what you are paying for.
Photo documentation of storm damage that supports your insurance claim and speeds up adjuster approval.
Magnet sweep of your yard and driveway after every job to catch stray nails from tear-off.

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For businesses

Commercial Roofing for Norman Businesses

Norman's commercial building stock runs from small retail strips near Campus Corner to large office, medical and industrial buildings on the west side, and each type has different roof needs. Retail and restaurant buildings need quick repairs that do not shut down business. Office and medical buildings need scheduled maintenance and clean documentation for property records. Industrial buildings along the I-35 corridor need durable membrane systems that handle thermal movement and hail. If you need commercial roof replacement cost Norman Oklahoma numbers before your next budget cycle, we can walk the roof, measure it and give you a written scope with line-item pricing.

Retail centers
Office buildings
Medical facilities
Restaurants
Warehouse and industrial

01Work scheduled around business hours

We phase commercial roof work around your operating hours so tenants and customers are not disrupted. On occupied Norman buildings, we stage material off-street, coordinate access with property managers, and work in sections so the roof is watertight at the end of every day. No surprises for your tenants.

02Documented inspections for property records

Every commercial inspection in Norman comes with a written report, photos, moisture readings and a ranked list of repair priorities. That documentation supports insurance claims, real estate transactions and capital planning. You get a clear picture of remaining roof life, not a vague verbal summary.

03Manufacturer-certified system warranties

We install TPO, EPDM and PVC systems under Carlisle SynTec, Firestone Building Products, GAF and Johns Manville certifications, which qualifies your building for full manufacturer system warranties up to 20 years. That warranty is transferable and adds real value if you sell the property.

04Emergency response with 24/7 availability

When a Norman storm opens a roof and water is coming into your building, we answer the phone at any hour. We stage a crew, tarp or patch to stop the water, and schedule permanent repair once conditions allow. Stopping the water fast protects inventory, equipment and tenant relationships.

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Service by service in Norman

Every service we run in Norman.

Each service below is a full breakdown of how the work is scoped, priced and carried out in this city — not a generic description.

01Commercial Roof Installation↗
02Commercial Roof Replacement↗
03Commercial Roof Repair↗
04Commercial Roof Maintenance↗
05Commercial Roof Inspections↗
06TPO Roofing Systems↗
07EPDM Roofing Systems↗
08PVC Roofing Systems↗
09Modified Bitumen Roofing↗
10Built-Up Roofing BUR↗

Commercial Roof Installation in Norman

Commercial Roof Installation in Norman demands a contractor who understands Oklahoma's volatile weather and local building codes. From Campus Corner to the Norman Business Park, we install durable flat and low-slope systems built for hail, high winds, and intense UV. Our crews handle everything from tear-off to final inspection, minimizing disruption to your daily operations. Whether you manage retail, warehouse, or office space, we deliver roofing that protects your investment for decades.

New Construction Roof Systems

We partner with Norman architects and general contractors to specify commercial roof installation Norman for new builds in the University North Park district. Our team coordinates seamlessly with other trades, ensuring membrane, insulation, and flashing are installed to manufacturer specs. We account for local wind uplift requirements and Oklahoma's freeze-thaw cycles, giving your new facility a weathertight roof from day one.

Re-Roofing Over Existing

Many Norman commercial buildings in the Historic District have older roofs that can be recovered rather than torn off. As a commercial roofing contractor Norman Oklahoma, we assess substrate conditions and recommend overlay systems that save time and landfill waste. This approach reduces labor costs and downtime while adding a new waterproofing layer that stands up to Norman's severe storms.

Energy-Efficient Roof Options

For property owners near Sooner Mall, we install reflective TPO and PVC membranes that lower cooling costs during Norman's hot summers. These cool-roof systems meet ENERGY STAR standards and may qualify for utility rebates. Our commercial roof installation Norman team also adds enhanced insulation, improving indoor comfort and reducing your building's carbon footprint year-round.

Commercial Roof Replacement in Norman

Commercial Roof Replacement in Norman is a major investment, and we help you maximize it with transparent pricing and quality materials. Whether your building sits along Main Street or in the Norman Industrial Park, we evaluate whether repair or full replacement makes sense. Our crews remove worn systems and install new membranes designed for Oklahoma's hail and wind. We work around your schedule to keep business running.

When Replacement Makes Sense

If your Norman commercial roof is over 15 years old, has widespread leaks, or shows saturated insulation, replacement is often more cost-effective than repeated fixes. We provide a detailed commercial roof replacement cost Norman Oklahoma breakdown so you can budget confidently. Our inspectors document every failing area, helping you avoid emergency expenses down the road.

Material Selection Guidance

Norman's climate swings from 100-degree summers to ice storms, so material choice matters. As a commercial roofer Norman OK, we walk you through TPO, EPDM, PVC, and modified bitumen options. Each has different reflectivity, puncture resistance, and lifespan. We match the system to your building's use, slope, and budget, ensuring long-term performance.

Minimizing Business Disruption

We understand that replacement projects can disrupt tenants and customers. Our commercial roofing services Norman Oklahoma team phases work to keep entrances open and noise contained. We coordinate deliveries and crane lifts during off-hours when needed. For retail centers near I-35, we often work overnight to avoid impacting peak shopping times.

Commercial Roof Repair in Norman

Commercial Roof Repair in Norman requires speed and precision, especially when storms roll through Cleveland County. We diagnose leaks fast, whether they stem from hail damage, failed flashing, or worn seams. Our trucks are stocked with materials to handle most repairs in a single visit. From downtown storefronts to warehouses near Highway 9, we restore your roof's integrity and prevent further damage.

Leak Detection and Patching

Finding the source of a leak is half the battle. We use infrared scans and moisture meters to trace water intrusion in Norman commercial buildings. Once located, we repair punctures, blisters, and open seams with compatible materials. If you search for commercial roof repair near me Norman OK, our local team responds quickly to stop damage before it spreads.

Storm Damage Restoration

Norman sits in Oklahoma's hail alley, and commercial roofs take a beating. After a storm, we inspect for bruised membranes, dented metal, and cracked sealant. We document damage for insurance claims and complete repairs to manufacturer standards. Our emergency commercial roof leak repair Norman Oklahoma service is available when sudden leaks threaten your inventory or operations.

Preventive Repairs That Last

Small issues become big expenses if ignored. We reinforce vulnerable areas like penetrations, HVAC curbs, and roof edges. For Norman properties near the Canadian River, we also address wind-driven rain infiltration. Our commercial roofing contractor Norman Oklahoma team uses high-grade sealants and reinforced patches that extend your roof's service life.

Commercial Roof Maintenance in Norman

Commercial Roof Maintenance in Norman is the smartest way to avoid costly surprises. Our proactive programs keep your roof in top shape through Oklahoma's severe weather cycles. We schedule routine inspections, clear debris, and address minor issues before they become major leaks. From office parks on Ed Noble Parkway to retail centers on 24th Avenue, we help property managers protect their assets and budgets.

Scheduled Inspections and Tune-Ups

We recommend biannual maintenance for Norman commercial roofs, ideally in spring and fall. Our technicians inspect seams, flashing, drains, and penetrations, then perform minor repairs on the spot. This routine catches small problems early, extending membrane life. For property managers seeking commercial roof inspection Norman Oklahoma, our maintenance plans include detailed reports and photo documentation.

Debris and Drain Clearing

Norman's tree-lined streets are beautiful, but leaves and branches clog roof drains. Ponding water is a leading cause of commercial roof failure. Our maintenance crews clear drains, scuppers, and gutters, ensuring proper drainage. We also remove debris from roof surfaces to prevent punctures and keep your system performing as designed.

Preventive Sealant Renewal

Oklahoma's UV exposure dries out sealants and flashing over time. As part of our commercial roofing services Norman Oklahoma, we reapply caulk and reinforce vulnerable joints before they leak. This simple step dramatically reduces emergency repair calls. We document all work in a roof asset management file, giving you a clear history for warranty and budgeting purposes.

Commercial Roof Inspections in Norman

Commercial Roof Inspections in Norman give you a clear picture of your roof's health. Whether you're buying a property, filing an insurance claim, or planning maintenance, our detailed assessments cover every component. We inspect membranes, insulation, flashing, and drainage, then deliver a prioritized report. From the Norman Business Park to Campus Corner, we help owners and managers make informed decisions.

Pre-Purchase and Due Diligence

Buying commercial property in Norman? Our inspections reveal hidden roof issues that could affect your offer. We evaluate remaining life, code compliance, and repair costs. As a commercial roofing contractor in Norman Oklahoma, we provide unbiased reports that help you negotiate confidently. We also flag any immediate safety concerns or active leaks.

Insurance and Warranty Inspections

After a hailstorm or high wind event, insurance adjusters need documentation. We perform thorough inspections and provide photo evidence of damage. Our reports support your claim and help ensure you receive fair compensation. For warranty purposes, we verify installation quality and maintenance records, keeping your coverage intact.

Annual Maintenance Inspections

Regular inspections are the cornerstone of roof longevity. We recommend annual checkups for all Norman commercial properties. Our technicians assess wear, identify potential leak sources, and recommend preventive actions. This proactive approach saves money and extends your roof's life. We also offer infrared scans to detect hidden moisture.

TPO Roofing Systems in Norman

TPO Roofing Systems in Norman are a top choice for energy efficiency and durability. These white, heat-welded membranes reflect sunlight, reducing cooling costs during Oklahoma's hot summers. They also resist punctures, chemicals, and UV degradation. Whether you manage a warehouse near I-35 or a retail center on Main Street, TPO offers a cost-effective, long-lasting solution for flat and low-slope roofs.

Energy Savings and Cool Roofs

TPO's reflective surface can lower roof temperatures by up to 50 degrees, cutting HVAC demand. For Norman businesses, this means lower utility bills and a smaller carbon footprint. Many TPO products qualify for ENERGY STAR and utility rebates. As a commercial flat roofing Norman specialist, we help you maximize these incentives while improving indoor comfort.

Heat-Welded Seams for Durability

TPO seams are heat-welded, creating a monolithic membrane that resists wind uplift and water infiltration. This is critical in Norman, where storms can produce 70 mph gusts. Our crews are factory-trained in proper welding techniques, ensuring seams are stronger than the membrane itself. The result is a watertight roof that performs for decades.

Chemical and Puncture Resistance

Many Norman commercial facilities handle chemicals, grease, or heavy foot traffic. TPO stands up to these challenges better than many alternatives. It resists punctures from dropped tools and withstands exposure to oils and solvents. For restaurants and industrial buildings, TPO is a smart, long-term investment.

EPDM Roofing Systems in Norman

EPDM Roofing Systems in Norman offer proven performance and exceptional value. This synthetic rubber membrane has been a staple of commercial roofing for decades, known for its flexibility and weather resistance. It handles Oklahoma's temperature swings without cracking or splitting. From churches to warehouses, EPDM provides a reliable, low-maintenance solution for flat roofs across Norman.

Long-Lasting Weather Protection

EPDM is highly resistant to UV radiation, ozone, and extreme temperatures. In Norman, where summers are scorching and winters bring ice, EPDM remains flexible and watertight. Properly installed, it can last 25 years or more. Its black surface also helps hide dirt and stains, maintaining a clean appearance.

Easy Repair and Maintenance

One advantage of EPDM is its repairability. If damaged, it can be patched quickly with adhesive and a rubber patch. This keeps maintenance costs low for Norman property owners. Our commercial roof repair Norman team stocks EPDM materials for fast fixes. We also offer preventive maintenance to extend the membrane's life.

Cost-Effective Installation

EPDM is often the most affordable commercial roofing option. For budget-conscious Norman businesses, it delivers reliable performance without a high upfront cost. We install it in ballasted, mechanically attached, or fully adhered systems, depending on your roof deck and wind requirements. It's a smart choice for large, low-slope roofs.

PVC Roofing Systems in Norman

PVC Roofing Systems in Norman are known for their chemical resistance and long-term durability. These thermoplastic membranes are heat-welded into a seamless barrier, ideal for restaurants, labs, and industrial facilities. PVC also reflects sunlight, reducing cooling loads. If your Norman building faces grease, chemicals, or heavy weather, PVC offers a high-performance solution that stands the test of time.

Superior Chemical Resistance

PVC excels in environments where oils, fats, and chemicals are present. For Norman restaurants and manufacturing plants, this means fewer repairs and a longer-lasting roof. Unlike some membranes, PVC won't degrade when exposed to grease or acids. As a commercial roofing contractor Norman Oklahoma, we recommend PVC for these demanding applications.

Heat-Welded Seams and Durability

PVC seams are fused with hot air, creating a bond stronger than the membrane itself. This eliminates seam failure, a common cause of leaks. In Norman's windy conditions, the welded seams provide exceptional uplift resistance. The result is a watertight roof that can handle severe storms and daily wear.

Reflective and Energy Efficient

Like TPO, PVC is highly reflective, reducing heat absorption and lowering cooling costs. For Norman businesses aiming for green certifications, PVC contributes to LEED credits. It also resists dirt buildup, maintaining reflectivity over time. This makes it a smart choice for environmentally conscious property owners.

Modified Bitumen Roofing in Norman

Modified Bitumen Roofing in Norman combines the proven performance of asphalt with modern polymer technology. These multi-layer systems offer excellent waterproofing and durability, making them ideal for Oklahoma's harsh weather. Whether you need a new roof or a reliable replacement, modified bitumen provides a tough, long-lasting solution. We install torch-down and self-adhered systems tailored to your building's needs.

Durable Multi-Layer Protection

Modified bitumen roofs typically consist of a base sheet and a cap sheet, creating a redundant waterproofing barrier. This multi-layer design resists punctures, tears, and UV damage. In Norman, where hail and wind are common, this toughness translates to fewer repairs and a longer lifespan. It's a proven choice for low-slope commercial roofs.

Torch-Down and Self-Adhered Options

We offer both torch-down and self-adhered modified bitumen systems. Torch-down provides a strong, seamless bond, while self-adhered eliminates open flames for safety-sensitive sites. For Norman buildings with limited ventilation or occupied spaces, self-adhered is often preferred. Our commercial roofer Norman OK team helps you choose the best method.

Excellent for Low-Slope Roofs

Modified bitumen performs well on low-slope roofs, common in Norman's commercial districts. It handles ponding water and foot traffic better than some single-ply membranes. With proper installation and maintenance, it can last 20 years or more. It's a cost-effective alternative to TPO or EPDM.

Built-Up Roofing BUR in Norman

Built-Up Roofing BUR in Norman is a time-tested solution for flat roofs, offering exceptional durability and redundancy. These systems consist of multiple layers of asphalt and reinforcing fabric, topped with gravel or a cap sheet. They excel in waterproofing and withstand foot traffic well. For Norman buildings that need a robust, long-lasting roof, BUR remains a top choice among commercial roofing services Norman Oklahoma.

Proven Multi-Ply Performance

BUR's multiple layers create a tough, redundant barrier against water intrusion. If one layer is damaged, others continue to protect the building. This makes BUR ideal for Norman's storm-prone climate. It also handles thermal expansion and contraction well, reducing cracking and splitting over time.

Gravel or Smooth Surface Options

We install BUR with either gravel surfacing or a smooth cap sheet. Gravel adds UV protection and fire resistance, while smooth surfaces are easier to maintain and inspect. For Norman properties near wooded areas, gravel can also deter birds. We help you choose the finish that best suits your building.

Long Service Life with Maintenance

With proper care, a BUR roof can last 20 to 30 years. We offer maintenance programs that include inspections, drain clearing, and minor repairs. For Norman property managers, this proactive approach maximizes the roof's lifespan and avoids costly emergency replacements. Our commercial roof inspection Norman Oklahoma service is a key part of this strategy.

More than a service list

How We Execute Commercial Roofing in Norman

Norman commercial roofing runs on two clocks: storm season and business hours. From March through June, hail and straight-line wind drive most of our emergency calls, and we stage crews to respond across Cleveland County

Hail bruising on TPO and EPDM membranes

Hail does not always punch a hole. It bruises membrane and fractures the mat, and the leak shows up months later after UV and thermal cycling open the damage. Norman sits in a high-frequency hail corridor, so this is the number one hidden failure we find.

How we handle it We inspect after every significant hail event with infrared thermal cameras and moisture meters, document bruising with photos, and repair or replace affected membrane sections before the next storm season. Documentation also supports insurance claims when damage meets the threshold.

Ponding water on low-slope decks

Norman's heavy spring rain events expose roofs with insufficient slope or clogged drains. Standing water adds structural load, breaks down membrane adhesives and grows into insulation board, turning a drain repair into a full replacement.

How we handle it We map ponding areas, clear and repair drains and scuppers, add tapered insulation where slope is inadequate, and re-secure membrane at low points. On roofs with chronic ponding, we spec a tapered insulation retrofit rather than patching the symptom.

Wind uplift at roof edges and corners

Norman's high wind zones put the most pressure on perimeter edges, corners and curb flashings. When fastening patterns are wrong or edge metal is loose, wind peels membrane back from the corner inward, and a small lift becomes a full-section blow-off.

How we handle it We follow SPRI and manufacturer wind-uplift tables for the building's exposure category, increase fastener density at perimeters and corners, and install proper edge metal and termination bars. Every replacement includes a wind warranty where the system qualifies.

Reviews from Norman customers

What Norman Property Owners Say

4.9★★★★★verified reviews

★★★★★

“We had a leak over a tenant space near Campus Corner that two other companies could not find. De La Cruz brought out an infrared camera, found a failed seam behind a rooftop unit, and had it welded and sealed the same day. They sent photos of the repair and followed up after the next storm to confirm it was dry. That is how commercial roof repair should work.”

Marcus T.Campus Corner

Verified

★★★★★

“Our Westwood office building had ponding water that kept coming back. They cleared the drains, added tapered insulation at the low spots and re-secured the perimeter membrane. The crew worked around our business hours and cleaned up every day. Six months later the roof is dry and the ponding is gone. Fair pricing and no surprise charges.”

Angela R.Westwood

Verified

★★★★★

“We manage a retail strip near Sooner Mall and needed a straight answer on repair versus replacement. They did a full inspection with moisture readings, gave us a written report with photos, and told us honestly that a targeted repair would hold. It did. Saved us tens of thousands. They now handle our twice-a-year maintenance.”

Derek M.Sooner Mall Area

Verified

Recent work in Norman

Norman Commercial Roof Projects and Results

These are the kinds of Norman commercial roof problems we handle every season, and what the fix actually looks like in numbers. Names and exact addresses are withheld at the property owners' request, but the neighborhoods and building types are real.

01 Sooner Mall Area

The problem: A 12,000 sq ft retail building near the Sooner Mall Area had leaked through three prior patch jobs, with ceiling stains appearing in three separate tenant spaces after every heavy rain.
What we did: We ran an infrared thermal scan across the full roof and found two failed TPO seams and a cracked drain flashing that had been missed. We cut out and re-welded the failed seams with a hot air welder, replaced the drain flashing, and replaced roughly 600 sq ft of wet insulation board.
The result: Leaks stopped completely through the following storm season. Total repair cost came in under $9,000 versus a $65,000 full replacement the owner had been quoted elsewhere.

02 Westwood

The problem: A 22,000 sq ft office building in Westwood had ponding water across two low spots, and the property manager was seeing membrane blisters and seam separation near the parapet after a spring wind event.
What we did: We mapped the ponding, cleared and rebuilt two clogged drains, added tapered insulation at the low points, and re-secured perimeter membrane with increased fastener density per SPRI wind-uplift guidance. Full project ran 8 working days.
The result: Ponding eliminated and the roof passed a follow-up moisture survey dry. The building qualified for a 15-year manufacturer wind warranty on the repaired assembly.

03 Downtown Norman

The problem: A Downtown Norman mixed-use building with a 20-year-old modified bitumen roof was taking on water at the flashing around a rooftop HVAC curb, and the owner needed to know whether to repair or replace.
What we did: We pulled core samples, ran a moisture survey and found the deck and most of the insulation board still dry. We rebuilt the curb flashing with new modified bitumen cap sheet and reinforced the surrounding field membrane, then applied a reflective roof coating across the full roof.
The result: Repair and coating came in at roughly 35 percent of replacement cost and extended the roof's service life an estimated 8 to 10 years. Cooling load dropped measurably the first summer.

De La Cruz Roofing and Construction team

Early warning signs

Signs Your Norman Commercial Roof Needs Attention

01Ceiling stains that reappear after rain

02Ponding water still standing 48 hours after rain

03Blisters, bubbles or wrinkles in the membrane

04Loose or lifted flashing at edges and curbs

05Visible seam separation on TPO or EPDM

Have us take a look →

Norman problem patterns

Common Commercial Roof Problems in Norman

Norman's climate and building stock create a predictable set of commercial roof problems. Hail and high wind from March through June, UV and heat through summer, and heavy spring rain all stress flat and low-slope systems. Older buildings around Downtown and Campus Corner carry modified bitumen and built-up roofs that are past their prime, while newer west-side buildings run TPO and EPDM that need proper maintenance to hit their warranty life. Here are the problems we see most and how we handle them.

Hail bruising that does not leak until months later

Why it happens Norman sits in a high-frequency hail corridor, and hail often bruises membrane without puncturing it. The damage fractures the reinforcement mat, and UV plus thermal cycling opens it up months later. By then the insurance claim window may be closing.

Our approach We inspect after every significant hail event, document bruising with photos and moisture readings, and repair or replace affected sections before they fail. Our reports give you what you need to file a claim while the damage is still fresh.

Ponding water from clogged drains and low spots

Why it happens Norman's heavy spring rain overwhelms drains that have not been cleared, and older roofs often have insufficient slope or settled insulation. Standing water adds load, degrades adhesives and soaks insulation board from the top down.

Our approach We clear and repair drains, add tapered insulation where slope is inadequate, and re-secure membrane at low points. On chronic ponding roofs, we spec a tapered retrofit instead of patching the symptom every year.

Wind uplift at perimeter edges and corners

Why it happens Norman's high wind zones put maximum pressure on roof edges, corners and curb flashings. When fastening patterns do not match the building's exposure category, or edge metal is loose, wind peels membrane from the corner inward and a small lift becomes a full blow-off.

Our approach We follow SPRI and manufacturer wind-uplift tables, increase fastener density at perimeters and corners, and install proper edge metal and termination bars. Every qualifying replacement includes a wind warranty.

Failed seams and flashing on aging TPO and EPDM roofs

Why it happens Seam separation and flashing failure are the leading causes of leaks on membrane roofs in Norman. Heat cycling, hail impact and installation shortcuts all contribute. Once a seam opens, water gets under the membrane and travels, so the leak shows up far from the actual failure.

Our approach We probe and re-weld failed TPO seams with a hot air welder and seam roller, rebuild flashing details with manufacturer-approved materials, and verify the repair with a moisture meter before we leave the roof.

Norman through the year

How Norman Seasons Affect Commercial Roofing

Norman commercial roofs live through four very different seasons, and each one stresses the system in a different way. Spring brings hail and heavy rain, summer brings UV and heat that cook membrane seams, fall is the best window for scheduled replacements, and winter brings freeze-thaw cycling that opens small failures into leaks. Planning around those seasons is how you get 20 years out of a roof instead of 10. If you need commercial roof inspection Norman Oklahoma property managers schedule annually, fall is the ideal time to book it.

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Spring

March through June is hail and severe storm season in Norman. This is when membrane bruising, wind uplift at edges and sudden leaks show up. Emergency call volume peaks, and non-emergency work can schedule two to three weeks out.

Tip Get a post-storm inspection on the calendar within two weeks of any significant hail event, before the damage has time to open up and before insurance claim windows tighten.

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Summer

July and August push membrane surface temperatures past 150 degrees, which stresses seams, adhesives and flashing. Blisters grow faster in heat, and ponding water evaporates and re-condenses, driving moisture deeper into insulation board.

Tip Schedule maintenance in early summer to clear drains and reseal seams before peak heat. If your building has ponding, summer is the time to fix the slope, not after fall rains start.

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Fall

September through November is the best window for commercial roof replacement and major repairs in Norman. Temperatures are workable, storm frequency drops, and membrane adhesives cure properly. Scheduling is easier and crews can work full days.

Tip Book replacements and large repairs in fall if you can. You will get faster scheduling and better curing conditions than spring, when storm work takes priority.

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Winter

December through February brings freeze-thaw cycling that opens small membrane cracks and flashing gaps into active leaks. Ice dams are rare on flat commercial roofs, but ponded water that freezes can damage membrane and drains.

Tip Do a pre-winter inspection to catch flashing gaps and seam issues before the first hard freeze. If you find an active leak in winter, call us. We handle emergency repairs year-round.

We know the route

Navigating Norman Commercial Roof Work

Norman is easy to work in once you know the routes. We use the University of Oklahoma campus as our central reference point for anything in the 73019 ZIP, and Lake Thunderbird as the eastern boundary marker for scheduling routes that run out toward the city's east side. Norman Regional Hospital anchors the medical and professional corridor on the west side, and the Sam Noble Oklahoma Museum of Natural History sits in the south-central campus area, which helps us orient crews working the surrounding institutional and office buildings. Riverwind Casino, south of town along the I-35 corridor, is a useful landmark for scheduling work on the southern commercial strip. Knowing these anchors keeps our drive times tight and our arrival windows honest.

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University of Oklahoma

The OU campus is the central orientation point for Norman's 73019 ZIP and the Campus Corner district. Crews use campus edge streets and Boyd Street as primary routes when working the surrounding commercial blocks.

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Lake Thunderbird

Lake Thunderbird marks Norman's eastern boundary and helps route scheduling for commercial properties on the east side of town. It is a useful reference for estimating drive times to outlying industrial and retail sites.

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Sam Noble Oklahoma Museum of Natural History

The museum sits in the south-central campus area and serves as a navigation anchor for crews working the surrounding institutional, office and mixed-use buildings in that part of Norman.

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Norman Regional Hospital

Norman Regional Hospital anchors the west-side medical and professional corridor. It is a reliable reference point for scheduling commercial roof work on nearby medical office and clinic buildings.

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AREA

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Primary Norman response zone

Norman service coverage

Is your ZIP on the route?

These are our most frequently served ZIP codes. Nearby areas may also qualify—call if you do not see yours.

7301973026730727307073071748577306973068

Popular neighborhoods

Downtown Norman · Campus Corner · Sooner Mall Area · Westwood

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Norman Commercial Roofing FAQ

Commercial Roofing in Norman: Common Questions

Our team can help if your question is not answered here.

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The best commercial roofing contractor in Norman Oklahoma is the one who inspects before quoting, holds manufacturer certifications, and answers the phone after the job is done. Look for NRCA standards, OSHA compliance, and certifications with Carlisle SynTec, Firestone Building Products or GAF. Ask for local references on buildings similar to yours, and confirm the crew carries general liability and workers comp coverage before work starts.

Typical 2026 commercial roofing costs in Norman OK run $6 to $12 per square foot for full TPO or EPDM replacement, $4 to $8 per square foot for modified bitumen re-cover, and $450 to $1,800 for most single-area repairs. Inspections with a written moisture report run $350 to $900. Wet insulation board is the biggest cost variable, so a moisture survey before quoting keeps the number honest.

Yes. We offer emergency commercial roof leak repair Norman Oklahoma property owners can call 24/7, including after-hours storm response. When a storm rolls through and you have active water intrusion, we stage a crew, tarp or patch the roof to stop the water, and schedule permanent repair once conditions allow. Call 18555166090 and we will get someone on the roof.

TPO membrane is the most common choice for Norman commercial roofs because it reflects heat and handles UV well. EPDM performs well on warehouse and industrial buildings because it handles thermal movement and hail impact. PVC is the right call for restaurants and commercial kitchens exposed to grease. Modified bitumen and built-up roofing still make sense on older Downtown and Campus Corner buildings where the deck is sound and a re-cover saves money.

Norman commercial roofs should be inspected twice a year, once in early spring before hail season and once in fall before winter. Add a post-storm inspection after any significant hail or high-wind event. Regular inspections catch seam separation, flashing failures and drain clogs before they soak insulation board, which is the difference between a repair budget and a replacement budget.

Outside Norman?

Norman and Surrounding Oklahoma Communities

01Oklahoma CityAbout 20 miles north of Norman via I-35. Many Norman property managers also own OKC buildings, so we frequently run combined inspection and maintenance routes between the two cities.↗02TulsaRoughly 120 miles northeast via I-44. We serve Tulsa commercial properties on scheduled project work and coordinate with local staging for larger replacements.↗03EdmondAbout 35 miles north of Norman through the OKC metro. Edmond commercial clients often come to us through metro-area referrals, and we schedule work there on the same routes as our OKC jobs.↗04EnidAbout 110 miles northwest of Norman. We handle Enid commercial roof projects on a scheduled basis, typically for larger replacements and storm-damage work.↗

Credentials on file

Licensed, Insured and Code-Compliant

Licenses

Oklahoma commercial roofing contractor registration
Oklahoma general contractor license

Certifications

Carlisle SynTec Authorized Applicator: Carlisle SynTec
Firestone Building Products Licensed Contractor: Firestone Building Products
GAF Master Commercial Roofing Contractor: GAF
NRCA Member Contractor: National Roofing Contractors Association

Insurance

Statewide commercial insurance carrier: $2M general liability and full workers compensation coverage

Local affiliations

Norman Chamber of CommerceMember
Oklahoma Roofing Contractors AssociationMember
National Roofing Contractors AssociationMember

De La Cruz Roofing and Construction ready to serve Norman

Norman team is ready

Get Your Commercial Roofing in Oklahoma Quote Today

Free inspection, written quote, and a crew that shows up when we say we will. Call De La Cruz Roofing and Construction at 1-855-516-6090 or request a quote online.

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