# Austin Commercial Roof Replacement for Aging Low-Slope Buildings Source: https://arproofing.com/austin-commercial-roof-replacement/ Last updated October 2026 Austin, Texas If your Austin flat roof is 20 to 30 years old and failing faster than you can patch it, here's how ARP decides overlay versus tear-off before the number goes to ownership. When a low-slope roof is past coating or patching — the membrane is brittle, the seams keep reopening, or the deck is wet — ARP Roofing & Remodeling replaces it, sizing a new TPO, metal, or coating-ready system to your building. Book your Austin reroof assessment. [Free Inspection & Estimate →](https://arproofing.com/book/) [Call (512) 312-7060](tel:+15123127060) ![Randal and Preston Williams, ARP Roofing owners](https://arproofing.com/_astro/arp-roofing-randal-preston-williams.F4OKkfk5_Z2cyTWz.webp) Family owned, locally accountable COO & President — the father and son behind ARP ## Why these credentials are on this page 5,000+ Completed projects 4.9★ 300+ five-star reviews GAF GoldElite Commercial Manufacturer standing UNIFLEX Premier Elite Restoration coatings BBB A+ · CTRCA Member Accountability Overlay or Tear-Off ## Overlay or Tear-Off — When an Austin Flat Roof Is Past Repair A commercial low-slope roof doesn't fail all at once. It ages out, and that is the point where replacement takes over from the rest of our [Austin commercial roofing](https://arproofing.com/austin-commercial-roofing/) work. Across Austin, a lot of the buildings now hitting the wall — warehouses off US-290, retail strips in Round Rock and Pflugerville, office pads near MoPac — went up 20 to 30 years ago, and their original single-ply or built-up systems are simply at the end of their service life. Once a roof is there, no coating or patch is a real fix. It's replacement math now, and the first question is whether you can recover over the old system or have to tear it off. ARP makes that call by opening the roof up, not by guessing from the parking lot. A recover — a new membrane installed over the existing one — is the faster, less disruptive path, and it can be the right one when the roof under it is dry and structurally sound. But if moisture has gotten into the insulation, or the building already carries two roof layers, a recover only buries the problem and forces a bigger job later. That's when a full tear-off down to the deck is the honest answer. Either way, replacement is the moment to fix what a patch never could: the decking gets brought back up to spec where it's soft or rotted, and drainage gets corrected so water clears the roof instead of ponding in the low spots that cooked the last system. Austin's real roof stress isn't exotic — it's spring hail, high wind, a year-round UV and heat load, and the debris and limb abrasion that come with a heavy oak and pecan canopy. A new roof only earns its warranty if the deck and drainage under it are right. The system you replace *with* is its own decision. ARP will walk you through the three that fit most Austin buildings — [commercial metal](https://arproofing.com/austin-commercial-metal-roofing/) for longevity and slope, [TPO and single-ply](https://arproofing.com/austin-tpo-roofing/) as the flat-roof workhorse, or a [restoration coating](https://arproofing.com/austin-commercial-roof-coatings/) when the substrate still qualifies for one — and size the number to your building rather than to whatever a crew had on the truck. Why ARP ## Why Austin Property Teams Choose ARP for a Reroof For a property manager or building owner, a full reroof is the largest single line item your roof will ever generate, and the question underneath it is always the same: if this goes sideways, who explains the overrun to ownership? ARP answers that with a scope written before anyone signs — the deck, the drainage, the rooftop-unit flashing, and the overlay-versus-tear-off call all named up front, not discovered on the third day. That's the record property teams hire on across Travis, Williamson, and Hays Counties — including completed commercial work for the Hays County Fire Department. On a replacement you get a documented condition assessment, a single itemized scope, and one ARP project manager who runs the job from the first walkthrough through manufacturer warranty registration. The crew on your roof is a vetted install team ARP deploys and supervises, inspected at the 25%, 50%, and final stages. ARP is a GAF GoldElite Commercial Contractor — the certification covering GAF's own EverGuard TPO and PVC membranes — and a UNIFLEX Premier Elite Contractor on fluid-applied systems, with Elevate Red Shield licensing on qualifying roofs. When the full range is on the table, you're not being steered to the one system a contractor happens to sell. ![An ARP crew on an Austin commercial reroof — the old system stripped to deck before the new membrane goes down.](https://arproofing.com/_astro/commercial-flat-roof-replacement-crew-work.D1bVxQlV_ZvPI5Y.webp) An ARP crew on an Austin commercial reroof — the old system stripped to deck before the new membrane goes down. Installed Cost ## What a Commercial Roof Replacement Costs in Austin A commercial roof replacement in Austin is priced by building size and by system — not as one flat number. A 2,500-sq-ft roof runs roughly $24,500–$69,500 installed, and a 20,000-sq-ft roof roughly $195,000–$556,500, with your membrane choice and deck condition setting where you land. Two things move your number: how big the roof is, and what you replace it with. A single-ply TPO reroof sits at the lower end of each band; premium PVC or a metal system sits at the top. Here's the installed range across common Austin building sizes: | Building roof area | Installed replacement range (system-dependent) | | --- | --- | | 2,500 sq ft | $24,500 – $69,500 | | 5,000 sq ft | $48,500 – $139,000 | | 10,000 sq ft | $97,500 – $278,500 | | 20,000 sq ft | $195,000 – $556,500 | These are complete Austin-installed figures, with local labor and logistics already in. What's included: tear-off or recover, the new system installed to manufacturer spec, decking brought up to spec where it's soft, drainage corrections, flashing at every curb and penetration, and warranty registration. New single-ply reroofs need new scuppers and drains to hold their warranty — ARP prices those in rather than leaving them off to look cheaper. For how replacement pricing works across every building type and system, see our [commercial roofing contractor in Texas](https://arproofing.com/commercial-roofing-contractor/) page. The honest version: nobody hands you a real figure until they've walked and probed the roof. Deck condition, existing layer count, rooftop units, and access all move it. ARP measures it and gives you a written, itemized scope after a free roof inspection & estimate. How ARP Runs ## How ARP Runs Your Austin Reroof Without Closing Your Doors Three steps, and you know what's happening at each one. 1. **Assessment and condition report.** ARP walks the roof, probes the deck and insulation for trapped moisture, checks the existing layer count, and delivers a written report — the overlay-versus-tear-off call made on what's actually up there. 2. **Written scope and a fixed number.** You get an itemized scope before anyone signs: system, tear-off or recover, decking, drainage, and flashing spelled out. ARP handles permitting where required through the City of Austin and the applicable county jurisdiction, and a replacement is the point where any code-upgrade triggers get built into the scope rather than sprung on you mid-job. 3. **Phased install and warranty registration.** The work is sequenced section by section, around your tenants and operating hours, so a reroof doesn't become a shutdown. One project manager runs it through final walkthrough and warranty registration, with a photo set for ownership. Ready for an Austin ## Ready for an Austin Reroof Assessment? Recover or full tear-off, the first step is the same: a free roof inspection & estimate, a probed deck, and a written scope you can hold us to. [Request your free roof inspection & estimate](https://arproofing.com/book/) · 📞 (512) 312-7060 Still weighing your options? See our [commercial roofing contractor in Texas](https://arproofing.com/commercial-roofing-contractor/) page for how ARP documents every commercial reroof. Estimate your Austin project ## What a commercial reroof costs in Austin The honest answer is a range until someone measures your roof — anyone quoting a firm price over the phone is guessing. Move the estimator to price your own project against our 2026 Austin rates, then send it over and we'll confirm it on the roof. Installed, per sq ft of roof area — 2026 Austin commercial rates | System | Installed / sq ft | Where it fits | | --- | --- | --- | | GAF EverGuard TPO / single-ply | $8.48 to $14.84 | Low-slope membrane, heat-welded seams | | Commercial metal (site-formed) | $11.66 to $19.08 | Standing-seam for steeper commercial roofs | | Silicone / acrylic restoration coating | $3.71 to $6.36 | Restoration-eligible substrate only | | Flat-priced commercial repair | $1,600 to $3,700 per job | Priced after an on-roof inspection | Read the units Ranges are per square foot of actual roof area — the low-slope or steep surface a crew installs. Flat-priced repair is per job, not per foot. Coating rates assume a restoration-eligible substrate confirmed on the roof. ### Price your Austin roof & book the visit 2026 Austin rates. About 40 seconds. Roof area used: **12,000 sq ft** — low-slope roofs run close to footprint Adjust roof size to see your price Your 2026 Austin range Four things move your number Driver 01 ### Roof size and pitch Steeper means slower and safer, which costs more. Driver 02 ### Material The single biggest lever, and the one you actually choose. Driver 03 ### Decking condition Found at tear-off, photographed, and shown to you before any replacement. Driver 04 ### Access If your roof is hard to reach or the property is tight. Honest fit check ## Is ARP the right fit for your Austin project? The best way to judge any Austin contractor — us or anyone else — is to ask for a written scope, ask who your single point of contact is, and ask when the manufacturer warranty gets registered in your name. If a roofer can't answer those three plainly, that's your answer. Yes — we're a match ### A good fit if you - Want a roofer your Austin neighbors have actually used — not a pop-up tent after the last hailstorm. - Want everything documented and in writing, with photos, before any crew gets on the roof. - Plan to stay in your Austin home or hold the property long term. - Had recent hail or wind damage and want it documented correctly for your carrier. [Free Inspection & Estimate →](https://arproofing.com/book/) No — we'll say so up front ### Not the right fit if you - Need a commercial job below our minimum repair scope, or a firm residential repair price over the phone — we quote every repair after an on-roof inspection. - Need someone to start tomorrow with no inspection. - Are choosing purely on the lowest bid, without reading the scope underneath it. - Want a contractor to pay, waive or "take care of" your deductible — a criminal offense in Texas under Business & Commerce Code § 27.02. We'd rather tell you that on the phone than waste a walkthrough. No cost, no obligation ## Your free Austin commercial roof inspection & estimate A free Austin commercial roof inspection & estimate costs nothing and comes with no obligation. A project manager documents the roof's condition, photographs it, and gives you a written report you can take to ownership or your board. We measure the roof, check the substrate and drainage, and lay out the system options — so the number you get reflects your actual building, not a rough per-square guess. On commercial work the written scope is COO-reviewed, and you'll see line-item scope, materials, and warranty options in writing before anything is committed. From assessment to warranty 1 ### Free Roof Inspection & Estimate We measure your roof, photograph it, and document what's actually there — not a curbside guess. You get the photo set whether you hire us or not. 2 ### Written Scope Before Any Work You'll see line-item scope, materials, warranty options, and a real number in writing. On commercial projects that document is COO-reviewed. Nothing starts until you've read it. 3 ### Install and Warranty Registration A crew led by an ARP project manager does the work, pulls the Austin permit, and inspects at the key stages — then your manufacturer warranty registers in your name within 30 days. **No fee, no deposit, no pressure.** We confirm your address is covered before we schedule — then a project manager walks the roof. [Free Inspection & Estimate →](https://arproofing.com/book/) [Call (512) 312-7060](tel:+15123127060) Questions that decide the job ## Austin roofing — frequently asked questions ### Should I recover over my old roof or tear it off? It depends on what's under the membrane. A recover — a new system over the existing one — works when the deck and insulation below are dry and the building isn't already carrying two roof layers. If ARP probes your Austin roof and finds trapped moisture, a recover just seals that water in and forces a costlier tear-off later. The assessment tells you which call your roof is on. ### How is a commercial roof replacement priced in Austin? By roof area and by system, not as one flat figure. A larger building carries a larger total, and a premium metal or PVC system costs more than single-ply TPO on the same footprint. ARP measures the roof and hands you a written, itemized scope — see our [commercial roofing contractor in Texas](https://arproofing.com/commercial-roofing-contractor/) page for the full picture. ### Can you reroof our building while we stay open? Yes. ARP phases the work section by section and sequences it around your operating hours so your tenants keep access and the business keeps running. The timeline depends on roof size, the system, and whether it's a tear-off or a recover — but the point of the plan is that a reroof doesn't turn into a shutdown. ### Which roofing system should we replace with? That depends on your slope, budget, and how long you plan to hold the building. ARP fits most Austin buildings with one of three: [commercial metal](https://arproofing.com/austin-commercial-metal-roofing/) for the longest service life, [TPO or single-ply](https://arproofing.com/austin-tpo-roofing/) as the flat-roof standard, or a [restoration coating](https://arproofing.com/austin-commercial-roof-coatings/) when the existing substrate still qualifies. ARP sizes the number to your building on each. ### How long does a new commercial roof last in Austin? A properly installed commercial system typically lasts 20 to 30 years, with the exact figure driven by the membrane, the install quality, and maintenance. Austin's hail, wind, UV load, and tree-canopy debris all age a roof, which is why ARP corrects the deck and drainage on replacement — the details under the membrane decide whether it reaches the top of that range. ### Do we need a permit, and will replacement trigger code upgrades? ARP handles permitting where it's required through the City of Austin and the applicable county jurisdiction, so you're not chasing paperwork. A full replacement is also the point where any code-upgrade requirements get built into the written scope up front, not discovered mid-job. Still exploring? ## Want the complete guide to commercial roof replacement? Our statewide commercial roof replacement guide goes deep on materials, cost, lifespan, and how each choice holds up in Texas — the full answers behind this Austin page. [Read our Commercial Roof Replacement guide →](https://arproofing.com/commercial-roofing-contractor/roof-replacement/) Explore your Austin roof ## Start where your question is Every door lands on one written scope — pick the one that fits where you are right now. 01 ### [Austin Commercial Gutters](https://arproofing.com/austin-commercial-gutters/) If water is spilling over your gutters, pooling at the base of the building, or finding its way behind the fascia, the problem is almost never the membrane — it's drainage that was never sized to the load. Here's how ARP fixes that. See Austin Commercial Gutters → 02 ### [Austin Commercial Metal Roofing](https://arproofing.com/austin-commercial-metal-roofing/) If you manage a metal building around Austin and you're tired of chasing the same seam leak, the fix starts with who forms the panel and who details it. See Austin Commercial Metal Roofing → 03 ### [Commercial Roof Coatings in Austin](https://arproofing.com/austin-commercial-roof-coatings/) If your building's flat roof still has good bones, a coating can buy years of life for a fraction of a replacement — here's how ARP tells whether yours qualifies. See Commercial Roof Coatings in Austin → 04 ### [Austin Commercial Roof Repair](https://arproofing.com/austin-commercial-roof-repair/) If you manage a building around Austin and a roof that won't stop leaking, the real question isn't how fast someone can get up there — it's whether they'll tell you the truth about what they find. See Austin Commercial Roof Repair → 05 ### [Austin Commercial Storm Damage Roofing](https://arproofing.com/austin-commercial-storm-damage/) A stain on a tenant's ceiling is the symptom. The question your board is going to ask is what actually happened up there — and here's how ARP answers it in writing. See Austin Commercial Storm Damage Roofing → ## Book your free Austin commercial roof assessment Photo-documented, with a written condition report in hand — whether or not you hire us. [Book my Austin visit](https://arproofing.com/book/) [Call or text (512) 312-7060](tel:+15123127060) ![ARP Roofing team of 20+ employees standing between two branded service trucks in parking lot](https://arproofing.com/_astro/arp-roofing-team-portrait-trucks-2.CEWRNgwx_1rPolC.webp) **Sources & References** - [International Code Council, IBC Chapter 15 (roof assemblies, reroofing/recover limits)](https://codes.iccsafe.org/content/IBC2021P1/chapter-15-roof-assemblies-and-rooftop-structures) - [City of Austin, Development Services Department](https://www.austintexas.gov/development-services)