Skip to main content
Alanis Roofing
Roll roofing installed on a commercial flat roof in Texas

Flat Roofing & TPO

Flat Roofing in San Antonio That Drains Right and Stops Ponding Leaks

Roll roofing and TPO for low-slope homes, additions, porches, carports and commercial buildings across South Texas.

Call (210) 318-9811
  • 26 Years Roofing
  • Free Estimate, No Visit Fee
  • Same-Day Reply, Mon to Sat
  • English y Español
  • 24/7 Emergency Calls

Flat and low-slope roofs work differently from a pitched roof. Water does not run off fast, so seams, edges and drains do all the work, and one weak spot can turn into a leak after the next heavy rain. Across San Antonio and South Texas you see them on additions, back porches, carports, older homes and plenty of commercial buildings.

We install two main systems on low-slope roofs. Roll roofing is a practical, lower-cost option for smaller areas like additions, porches and carports. TPO is a single-ply membrane, usually white or light colored, with heat-welded seams, that reflects a lot of the summer sun and is widely used on commercial buildings and larger flat roofs. We help you pick the one that fits the building and the budget.

Most flat roof problems come from water that sits too long, worn seams and poor edge or wall flashing. Before we install, we look at how the roof drains and where water collects, and we take care with edges, walls and every pipe penetration. Andres has 26 years in roofing, does residential and commercial work, and gives you a free estimate with no visit fee.

What is included

  • Inspection of drainage, ponding areas and the existing surface
  • Removal of the old roofing where needed
  • Roll roofing or TPO membrane, matched to the building
  • Sealed seams, edges and wall flashing
  • Pipe boots and penetrations sealed one by one
  • Cleanup and haul-off of all old material

Alanis Roofing

Why owners call Alanis Roofing for flat roofs

01

Homes and commercial

We work on homes, additions, carports and commercial buildings. 26 years in roofing.

02

Talk to the owner

Andres is on the job and answers you directly, with a same-day reply.

03

Free estimate, fair price

No visit fee and a straight price. Service in English and Spanish.

Our Work

Flat Roofing & TPO by our crew

Flat commercial roof finished with roll roofing
Brick building with a metal roof section in Texas
Pipe boot sealed on a low-slope metal roof
Drip edge detail at a roof edge

FAQ

Questions homeowners ask us

TPO is a single-ply roofing membrane, usually white or light colored, laid over the roof and joined with heat-welded seams. It reflects a lot of sunlight, which helps on hot Texas roofs, and is common on commercial buildings and larger flat roofs.
Roll roofing is a practical, lower-cost choice for small low-slope areas like additions, porches, sheds and carports. For larger or commercial flat roofs, TPO is often the better long-term option. We recommend the right one for your building.
Common causes are water ponding in low spots, seams that have opened up, cracked or loose edge flashing and worn seals around pipes and vents. A careful inspection finds the real source before any repair.
Yes. Alanis Roofing works on homes and commercial buildings, including flat commercial roofs with roll roofing.
It depends on the size, the material, access and the condition of what is underneath. As a rough market guide, roll roofing usually costs less per square foot than TPO. The free estimate gives you an exact number for your roof.

Free estimate

Get a price for flat roofing & tpo

Free estimate with no visit fee, a straight price from Andres, and a reply the same day.

  • (210) 318-9811
  • Mon to Sat: 8am to 5pm · Sun: Closed · Emergencies: 24/7

Start your free roof estimate

A few quick questions after this. We reply the same day.

We never share your details. No spam, no pressure.