Tpo Roofing Tar Resistance

45 60 and 80 mil.

Tpo roofing tar resistance.

Thicker products are more durable longer lasting leak and puncture resistant and therefore cost more. Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price. Heat welded seams provide superior strength. It is least susceptible to impact tears and punctures.

Thermoplastic polyolefin tpo is a single ply roofing membrane that combines the beneficial features of epdm and pvc. Contractors recommend installing at least a 60 mil membrane on the majority of homes. The name is a bit misleading because rather than being a plastic tpo is actually one of a few different types of rubber usually a blend of polypropylene and ethylene propylene rubber. However in some cases the roof may be exposed to chemicals oils greases and the like.

P h ysical p rop erties a s t m t est m eth od a s t m 6878 m in im u m e verg u ard t yp ical t est d ata 1. For most roofing projects chemical resistance of the membrane is not a consideration. Examples of a class a roof covering include concrete or clay roof tiles fiberglass asphalt composition shingles and metal roofs. C ertain data is provided in m d m achine direction x c m d cross m achine direction form at.

In these situations the right membrane must be chosen. Class a is the highest rating offering the highest resistance to fire and unrated is the worst. So just go with whatever building codes require in your are. Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope roofing system.

An example of an unrated covering is an untreated wood shake roof. Gaf single ply membranes tpo pvc and pvc kee. Generally tpo material is available in 3 different thicknesses. Roofing m em brane provides the benefits of all three m aterials in a single m em brane.

Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof. California roofing laws cover everything from licensure of the roofing company to the types of shingles that must be used to the slope of the roof. As demand increases for heat reflective and energy efficient roofing systems you can rely on tpo single ply roofing membranes to continue to provide resistance to ultraviolet ozone and chemical exposure. Tpo chemical resistance table.

California roofing codes establish a list of rules that all builders and contractors must adhere to in order to ensure safe building practices within the state.