TPO stands for Thermoplastic Polyolefin, which is a type of single-ply roofing membrane commonly used on flat or low-slope roofs. TPO roofing is highly popular due to its durability, energy efficiency, and ease of installation. It is typically made of a blend of rubber and plastic polymers reinforced with polyester or fiberglass for added strength. TPO roofs are known for their ability to reflect sunlight, reducing energy costs for cooling buildings, and they offer excellent resistance to UV radiation, chemicals, and punctures. Additionally, TPO roofing is often white or light-colored, further enhancing its reflective properties and helping to maintain a cooler building interior.
Installing TPO roofing membranes involves various methods, including mechanical fastening, fully adhered systems, and glued or taped seams. Mechanical fasteners and plates secure the membrane to the roof deck while adjoining sheets are overlapped and welded together for a strong bond. This welding process is also used around flashing details like vents and pipes.
When replacing or restoring old TPO roofs, building owners and managers must consider factors such as cost, expected service life, durability, and energy efficiency. The commercial roofing industry is currently dominated by two materials, PVC and TPO, with no clear front-runner, making decision-making complex.
TPO roofing installation in progress Commercial Roofing Contractor Chesterfield, VA
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