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Is TPO Roofing Considered the Most Resilient Type of Commercial Roofing Material?

tpo commercial roofing waterproof sealed

TPO roofing (Thermoplastic Polyolefin roofing) is a single-ply roofing membrane usually used for commercial roofing. It entails a single layer of synthetics to cover flat roofs but is considered the most resilient type of commercial roofing in Connecticut material

After cleaning or removing the existing and before installing the TPO, one must decide upon an insulation option such as:

  • Polysio 
  • EPS
  • XPS

The first option is more expensive but has a high R-value rating. The second one does not retain water over time, and the last one is semipermeable with a perm rating of one. It is also known for its specific coloring: pink, blue or green. After choosing an insulation option, the TPO membrane is mechanically fastened to the cover board using a bonding adhesive. The seams are, then, hot-air welded together.

The price of TPO roofing ranges from three to seven dollars per square foot. Moreover, TPO membranes can last up to twenty-five years and are fire-resistant. They are also naturally reflective. The bright white color reflects light and heat from the building so that the interior can be easily cooled down during summer. The only flaw of the TPO membrane is that it can be punctured, and its seams can be ripped open. In such cases, a silicone restoration can be carried out to strengthen the seams with a silicone coating.