TEXAS FLAT & LOW-SLOPE ROOFING
Flat & Low-Slope Roofing Done Right the First Time
A flat roof is not really flat — it needs the right membrane, the right slope, and watertight detailing to survive Texas downpours and heat. Texas Pro Roofer installs and repairs single-ply, modified bitumen, and coated flat roofs on homes, additions, and commercial buildings statewide,.
Flat Roofs Are Their Own Animal
Why Low-Slope Roofing Takes a Different Skill Set
Pitched shingle roofs shed water by gravity. Flat and low-slope roofs cannot rely on that — water sits, ponds, and hunts for the weakest seam. In Texas that means a flat roof has to fight two enemies at once: sudden, heavy rainfall that dumps inches in an hour, and month after month of punishing summer sun that bakes and expands the membrane. Get the drainage or the seams wrong and you get standing water, blisters, and interior leaks.
That is why we treat flat roofing as its own trade. Slope has to be built in toward drains and scuppers. Seams have to be heat-welded or fully adhered, not just glued and hoped over. Flashings at walls, curbs, and penetrations have to be layered so wind-driven rain has nowhere to sneak in. It is detail work, and it is where cheap flat roofs fail.
Your Options
Flat Roofing Systems We Install Across Texas
TPO Single-Ply
A bright white, heat-welded membrane that reflects the Texas sun and keeps buildings cooler. The go-to for commercial and modern low-slope roofs.
EPDM Rubber
A tough, flexible rubber membrane that handles temperature swings and stays watertight for decades — a proven low-slope workhorse.
Modified Bitumen
Multi-ply asphalt sheets, torch- or self-adhered, for a rugged, redundant flat roof that stands up to foot traffic.
Roof Coatings
Silicone and acrylic coatings that restore an aging flat roof, seal seams, and add reflective protection — often for far less than a tear-off.
The Texas Difference
Ponding, Heat & Hurricane Rain
Two Texas realities decide whether a flat roof lasts. First, ponding water — our thunderstorms and Gulf Coast tropical systems dump enormous volumes fast, so drainage has to be dialed in or water sits and degrades the membrane. Second, reflectivity — a dark, absorptive flat roof can hit 160 degrees on a July afternoon, driving up cooling bills and cooking the material. A reflective white membrane or coating fights both heat and energy cost.
On the coast, wind uplift matters too. We spec and fasten systems to hold in high wind so hurricane-season storms do not peel a corner loose.
Homes Have Flat Roofs Too
Residential Flat Sections
Flat roofing is not just for warehouses. Plenty of Texas homes have low-slope sections — modern architecture, patio covers, room additions, and porch roofs that tie into a steeper main roof. Those transitions are classic leak spots, and a shingle crew that treats them like an afterthought will leave you chasing drips.
We install proper membrane on the flat portions and detail the transition to your shingle or metal roof so the two systems work together. If a section of your home already leaks, our roof repair team can pinpoint it fast.
Questions, Answered
Texas Flat Roofing FAQ
How long does a flat roof last in Texas?
It depends on the system. A quality TPO or EPDM membrane commonly lasts 20 to 30 years, and modified bitumen is in the same range. Texas heat and ponding water shorten life, so proper slope, drainage, and reflective surfaces matter more here than in cooler states.
Why does water pond on my flat roof after it rains?
Some ponding after a heavy Texas storm is normal, but water that sits for more than a day or two usually points to inadequate slope or clogged drains. We can add tapered insulation to build slope, clear drains and scuppers, or recommend a coating to protect the low spots.
Can a flat roof be repaired instead of replaced?
Often, yes. If the membrane is sound and the problem is seams, flashings, or a few punctures, a targeted repair or a restorative coating can add years of life for a fraction of a full replacement. We give you an honest read after the inspection.
Which flat roof is best for a hot Texas building?
For heat, a reflective white TPO membrane or a silicone coating usually wins — both bounce sunlight and lower attic and interior temperatures. EPDM is extremely durable but darker; a coating can address that. We match the system to your building and budget.
FREE, NO-OBLIGATION ESTIMATE
Flat Roof Leaking or Aging? Let’s Take a Look.
We inspect flat and low-slope roofs across Texas and give you a straight answer — repair, coat, or replace.