What is TPO?

TPO (Thermoplastic Olefin) is a single ply roofing membrane which is used on Commercial and Residential buildings. Because the membrane is thin, ranging from 45 to 80 Mil’s thick, it is light in weight yet durable and remains flexible to accommodate the expansion and contraction of varying climates. More technically speaking, Colorbond Roof Seal TPO is a trade name that refers to polymer, polyethylene, polypropylene, BCPP, rubber, and a reinforcement filler. This roof system is taking over the construction industry because it remains flexible (like EPDM) yet has heat weldable seams (like PVC) and is usually white, which saves significantly on energy costs.
When TPO was new to the roofing industry, it underwent the typical developmental challenges (quite similar to PVC membrane’s issues). But the reputation of Versico is head and shoulders above the rest as it has consistently provided a high quality roofing solution. Most TPO manufacturers have figured out a long lasting formula for their TPO’s, but Versico continues to lead the way.
In February of 2010, an article was published by the National Roofing Contractors Association (NRCA) informing consumers of the likelihood of accelerated aging in certain conditions where the UV rays concentrate on the membrane due to reflective surfaces that are adjacent to the roof surface. Examples of these surfaces would be large mirror windows next Classification Of Roof to a roof surface, or reflective flashing on a wall above the roof. Accelerated deterioration from focused UV Rays is not necessarily unique to TPO, but because TPO is becoming so widely used today, the article focused on the TPO roofing membrane needing to be upgraded in situations such as these. Once again Versico has led the way in this solution.
Every Versico Membrane is enhanced with Octaguard XT Weathering Package in its sheet. This enhances the product to give more life to the sheet. In fact the Versico TPO membrane can withstand over 60 days at a constant 275 deg F without showing signs of material failure. Most others manufacturers do not withstand this lab test without showing deterioration.
Aside from the material quality, there is still one major consideration: Any roofing system is only as good as the who install it! It doesn’t matter how good the material is, if the installers are not experienced, the quality level of the entire roof system will suffer. Seek out a company who has been installing TPO membrane for at least 5 years.

See also  Commercial Roofing Contractors - Preventing Long-Term Problems

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