Commercial Single-Ply Roofing in Texas: GAF GoldElite TPO, PVC & EPDM

Single-ply is one branch of ARP's broader commercial roofing work. Pick the membrane closest to your building, or use the comparison and cost guides below to decide.

• TPO (GAF EverGuard), the flagship value pick. A reflective white thermoplastic membrane that heat-welds into a monolithic, watertight surface. It's the most-installed commercial single-ply in Texas, and the system we recommend first when budget and energy performance both matter. Explore TPO roofing →
• PVC, the premium chemical- and grease-resistant membrane. Also heat-welded, but engineered to resist grease, animal fats, and chemical exhaust. It's the right call over restaurant kitchens, food processing, and any building with grease-laden rooftop exhaust. See PVC single-ply →
• EPDM, proven rubber. A synthetic rubber membrane, ballasted or fully adhered, with a decades-long track record on low-slope roofs. A dependable, cost-effective choice where a reflective surface isn't a priority. See EPDM single-ply →
• Not sure which fits your building? Compare all three side by side, or check what your project costs by building size, using the comparison and cost guides in the cards above.

Commercial single-ply roofing is one manufactured sheet of membrane, usually 45 to 80 mils thick (a mil is one-thousandth of an inch), rolled out across your flat or low-slope roof and sealed at the seams. Unlike a built-up roof stacked four to six layers deep, single-ply does the whole job in one engineered layer.

That's why it dominates Texas commercial roofs. Your seams are heat-welded (for TPO and PVC) or adhered and taped (for EPDM), which means the weak point of most flat roofs, the joint between sheets, becomes the strongest part instead. You get faster installs, lighter roof loads, and a surface that reflects heat instead of soaking it up. On a big-box footprint, that reflectivity shows up on your summer cooling bill.

Your building tells you which membrane, more than your budget does. TPO wins on value and reflectivity for warehouses, retail, and office roofs. PVC earns its premium where grease or chemical exhaust would eat a lesser membrane. EPDM is the proven rubber option where a reflective white surface isn't a requirement.

The honest answer usually needs a walkthrough: your deck condition, drainage, rooftop equipment, and how long you plan to hold the asset all move the recommendation. For the full head-to-head, read TPO vs PVC vs EPDM →.

Commercial single-ply roofing in Texas runs $8.00–$12.00 per sq ft for TPO, $11.00–$16.00 for EPDM, and $14.00–$20.00 for PVC, installed. A 10,000 sq ft building typically lands between roughly $105,000 and $262,500 depending on system and roof condition.

Commercial single-ply roofing in Texas runs $8.00 to $20.00 per square foot installed, depending on which membrane your building calls for. Final price depends on your existing roof condition, deck substrate, drainage requirements, and rooftop access, which is why every number below is a range, not a quote.

Updated July 2026. Texas market pricing. Every commercial estimate we write includes a full roof assessment with photos, a written scope before you sign, manufacturer-specified installation, and a final walkthrough. For sample projects by building size and a full cost breakdown, see the single-ply roofing cost guide →.

You get three steps, not a mystery. Here's how a single-ply project runs from your first call to your warranty paperwork.

1. Free assessment and written scope. We walk your roof, core-sample where needed, document condition with photos, and hand you a written scope of work (membrane, thickness, attachment method, flashing detail, and drainage corrections) before you sign anything.
2. Manufacturer-spec installation, supervised. Your membrane goes down to GAF EverGuard specifications by vetted installation partners we deploy and supervise, with an ARP project manager on the job and photo documentation at each stage.
3. Final walkthrough and warranty registration. We inspect the finished system with you, confirm every seam and penetration, clean the site, and register your manufacturer warranty. You end with a documented roof and a paper trail you can hand to ownership.

One line that belongs on every honest single-ply scope: new scuppers and drains. A new membrane almost always needs new drainage. Reusing old scuppers and drains under a fresh single-ply system is technically unsound, and those aged connections are where the first leaks start. Positive drainage is also a warranty condition for many single-ply manufacturers, so we carry scuppers and drains as an itemized line rather than leaving warranty-required drainage off the bid to look cheaper. When you compare quotes, check whether a competitor's scope actually includes new drainage, or quietly omits it.

When you sign a commercial roof contract, you're not hiring a logo. You're hiring a certified installer, a documented process, and a company that will still answer the phone when the warranty question comes up in year fifteen.

• The right certification for the membrane. ARP Roofing is a GAF GoldElite Commercial Contractor, GAF's top commercial designation, the certification that covers the GAF EverGuard TPO and PVC single-ply systems we install. We're also an Elevate Red Shield Licensed Contractor and a UNIFLEX Premier Elite Contractor. The certification is what unlocks the manufacturer warranty in your name.
• A COO who reads roofs for a living. Randal Williams, our COO, is a former commercial high-rise field engineer and Xactimate expert with 15+ years in roofing and construction. On commercial work, that field-engineering eye is the difference between a system spec'd for your building and a system spec'd for the contractor's convenience.
• One point of contact and a documented job. Your ARP project manager runs the schedule, coordinates the permit, and delivers photo documentation from assessment through warranty registration, the record you hand ownership when they ask how the roof is doing.

When I write a commercial scope, I write it from the assumption that the building owner will read the warranty in year 18 and we'll still be here to stand behind it. That shapes every material spec.

Single-ply is a long-term decision, so here's the honest read on who we serve well, and who we don't.

You're probably the right fit if you...

• Want a written scope of work before anyone touches the roof, every time
• Need photo documentation you can share with ownership or the property owner
• Want one contractor for the assessment, the install, and the warranty that backs it
• Are holding the building long-term and want a partner, not a one-off vendor
• Want a certified single-ply installer, not a general roofer learning on your roof

You're probably not the right fit if you...

• Need the lowest bid in the market, which is a respected decision we can't always match
• Need work to begin within 24 hours with no inspection or documentation
• Manage a building under 1,000 sq ft, where our minimum scope makes the economics work against you
• Have been quoted a price that doesn't allow a proper, manufacturer-spec installation

We've walked away from commercial bids where the scope wasn't right. If the job can't be done properly at the price someone wants to pay, the answer is no — not 'let's find a shortcut.'

Whether you choose ARP or someone else, ask every roofer who quotes your single-ply project these three questions. The answers tell you more than any star rating.

1. "Show me your written scope before I sign anything." A real contractor hands you a written scope (membrane type, mil thickness, attachment method, flashing and penetration detail, drainage corrections, permit handling, and warranty terms) before any deposit. If a contractor can't produce one, the verbal-promise quote is where the project goes wrong.

2. "Who's my single point of contact, and will I get photo documentation at each stage?" The company on the invoice should give you one project manager from contract through warranty registration, not a rotating cast, plus a photo record at assessment, mid-install, and final inspection. A contractor who can't show how they document the work is telling you how the job will actually go.

3. "Which manufacturer certification do you hold, and when does my warranty register?" Single-ply manufacturer warranties require the installer to hold a current commercial certification and to register the warranty in the building owner's name within a defined window. Ask which certification level the contractor holds (GAF GoldElite Commercial is the top tier), what warranty term it unlocks, and when registration happens. Vague answers mean the warranty probably isn't real.

• ASTM D6878: the material standard behind TPO single-ply membrane referenced in the systems overview.
• ASTM D4434: the material standard behind PVC single-ply membrane.

Manufacturer Certifications:

• GAF GoldElite Commercial Contractor (GAF's top commercial cert covering GAF EverGuard TPO/PVC single-ply)
• Elevate Red Shield Licensed Contractor
• UNIFLEX Premier Elite Contractor

Industry Membership:

• BBB A+ Accredited
• CTRCA (Central Texas Roofing Contractors Association) Member