Astm d6878 standard specification for thermoplastic polyolefin based sheet roofing warranties when purchasing a new roof system there will be two warranties to consider.
Thermoplastic roof membrane with a rubber backing.
If you are looking to install a single ply roofing membrane that will be energy efficient and are evaluating your options consider tpo thermoplastic olefin roofing.
Tpo is touted to have the benefits of two of its direct competitors epdm and pvc roofs but without the drawbacks and extra costs.
First there will be the manufacturer s warranty.
In the building trades the acronym tpo stands for thermoplastic polyolefin a material originally developed for pond liners and used extensively for roofing since 1989 it s a single ply membrane made from a polymerized combination of polypropylene and ethylene propylene rubber that can be attached to a roof with adhesive or with mechanical fasteners.
A variety of materials can be used to construct membrane roofs for example synthetic rubber thermoplastic pvc or similar material liquid polyurethane or modified bitumen can all be used.
Thermoplastic polyolefin tpo is a single ply reflective roofing membrane made from polyprophylene and ethylene propylene rubber polymerized together tpo can be installed either fully adhered mechanically attached fleece back adhered or as a self adhering sheet with the seams of the roofing system sealed with liquid adhesives or welded together.
This means that a tpo roof is as uv resistant and as heat resistant as epdm and as heat weldable.
What is tpo roofing.
However the essentials of a membrane roof include weatherproofing components reinforcement and surfacing.