​Thermoplastic PolyOlefin (TPO) roofing was first offered early in the 1990's as an efficient and inexpensive substitute for PVC roofing materials. TPO roofing membranes are typically used on flat roof structures and have received recognition in numerous businesses due to their sturdiness and ease of installation. There is an increasing demand for TPO roofs because they are heat-reflective and energy efficient, as well as resistant to chemical and UV exposure.

Thermoplastic Polyolefin single-ply roofing membranes are made from a mixture of polypropylene and ethylene-propylene polymers which are reinforced with polyester. Other fillers applied to enhance the TPO membrane's strength and durability consist of fiberglass, wollastonite, talc, metal oxysulfate, and carbon fiber. The TPO membrane was specially developed to have the functions of rubber roofing together with hot-air weldable joints for a durable waterproof bond between the sheets. The TPO membrane is composed of 3 layers:

TPO varies in thickness and measurements and is used in big rolls. Installation is done either with a totally adhered, ballasted, or mechanically attached system, enabling the white membrane to remain exposed throughout the lifespan of the roof.

Thermoplastic polyolefin roofing is designed to offer the advantages of PVC and EPDM roofs without the additional expenses and drawbacks. Nevertheless, as with any roofing product, TPO has pros and cons; it is a relatively new building material in the roofing marketplace and is still undergoing experimentation to maximize its long-lasting formulation and stability. Prior to using a TPO membrane roof for your house or industrial structure, you need to thoroughly consider all of its advantages and disadvantages.

A TPO roof can offer a functional lifetime efficiency of 10-20 years if correctly installed and serviced. Variables that have a big influence on the life expectancy include the slope of the roof, the setup approach used, the substrate that it is used upon, the natural conditions, and regular examination and maintenance. Keep in mind the most important factor that will establish the long life of any kind of roofing system, not just TPO roofs, is the correct setup by a licensed roofing specialist. The majority of failures in any roofing systems are due to incorrect setup. 

It is wise to do some research before making any decisions. If you hire a company to install a TPO roof, choose one that offers a guarantee and has a credible product and service record. Correct setup of the roof system on your home or structure requires choosing a certified expert roofer that specializes in TPO roofing.

​TPO (thermoplastic olefin) roofing systems can be an excellent and cost-effective alternative to long-lasting and inexpensive single-ply roof designs, especially for low-slope or flat roof home or business establishments. TPO roofs are becoming popular in both residential and commercial flat roof markets because they are cheaper and offer the combined advantages of both EPDM and PVC roofs.

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