Thermoplastic membranes engineered for low-slope commercial roofs — highly reflective, energy-efficient, and heat-welded for a watertight seal that lasts decades.
We install both TPO and PVC single-ply membranes — each with distinct advantages depending on your building's chemical exposure, foot traffic, and energy goals.
Standard 60-mil TPO for most commercial applications. Reflective white surface reduces cooling loads and meets ENERGY STAR requirements.
Heavy-duty reinforced membrane for roofs with heavy foot traffic, rooftop equipment, or extreme weather exposure.
Superior chemical resistance for restaurants, food processing, and facilities with grease or chemical exhaust. Highly flexible and fire-resistant.
Custom-engineered tapered ISO insulation beneath the membrane to eliminate ponding water and improve drainage slope.
Contact us today for a free on-site assessment and proposal. No obligation, no pressure.
TPO (Thermoplastic Polyolefin) is a single-ply roofing membrane widely used on commercial flat and low-slope roofs. In Texas, TPO is particularly popular because its white reflective surface reduces cooling loads — keeping buildings cooler and reducing energy costs in the intense Texas heat. TPO is heat-welded at seams for a watertight bond and is backed by long manufacturer warranties.
A properly installed TPO roof typically lasts 20 to 30 years. Many manufacturers offer system warranties of 20-30 years when installed by certified contractors like On Top Commercial Roofing. Regular maintenance can extend a TPO roof's service life significantly beyond its rated span.
Both TPO and PVC are single-ply thermoplastic membranes heat-welded at seams, but PVC has slightly better chemical resistance and flexibility at low temperatures, making it a preferred choice for restaurants (grease exposure) and cold-climate applications. TPO generally offers better heat reflectivity and is more cost-competitive. On Top Commercial Roofing will recommend the right system for your building's specific use and exposure.
TPO membranes are installed in large rolls using one of three methods: fully adhered (glued to the substrate), mechanically attached (fastened through the membrane), or ballasted (weighted down). Seams are heat-welded using hot-air guns, creating a permanent watertight bond. On Top Commercial Roofing's certified crews follow manufacturer installation specifications to qualify your building for full system warranties.