Tpo Roofing Tar Resistance

However in some cases the roof may be exposed to chemicals oils greases and the like.

Tpo roofing tar resistance.

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. Class a is the highest rating offering the highest resistance to fire and unrated is the worst. Heat welded seams provide superior strength. Examples of a class a roof covering include concrete or clay roof tiles fiberglass asphalt composition shingles and metal roofs.

Generally tpo material is available in 3 different thicknesses. For most roofing projects chemical resistance of the membrane is not a consideration. Thicker products are more durable longer lasting leak and puncture resistant and therefore cost more. 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.

Tpo roof load is very low 0 38 lb per square foot for material 50 mil thickness even with insulation you will be at around 1 lb per foot or less. In these situations the right membrane must be chosen. Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof. Roofing m em brane provides the benefits of all three m aterials in a single m em brane.

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. Thermoplastic polyolefin tpo single ply roofing membranes are among the fastest growing commercial roofing products and have gained praise across the industry for their many performance and installation advantages. It is one of the most sustainable and 100 recyclable roofing options trusted for its durability and weather resistance. It is least susceptible to impact tears and punctures.

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. Gaf single ply membranes tpo pvc and pvc kee. 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. 45 60 and 80 mil.

C ertain data is provided in m d m achine direction x c m d cross m achine direction form at. 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. An example of an unrated covering is an untreated wood shake roof.

Thermoplastic polyolefin tpo is a single ply roofing membrane that combines the beneficial features of epdm and pvc.