So just go with whatever building codes require in your are.
Tpo roofing tar resistance.
Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price.
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.
Contractors recommend installing at least a 60 mil membrane on the majority of homes.
C ertain data is provided in m d m achine direction x c m d cross m achine direction form at.
Heat welded seams provide superior strength.
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.
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.
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.
45 60 and 80 mil.
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.
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.
Thermoplastic polyolefin tpo is a single ply roofing membrane that combines the beneficial features of epdm and pvc.
However in some cases the roof may be exposed to chemicals oils greases and the like.
For most roofing projects chemical resistance of the membrane is not a consideration.
It is one of the most sustainable and 100 recyclable roofing options trusted for its durability and weather resistance.
Tpo chemical resistance table.
It is least susceptible to impact tears and punctures.
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.
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.
Class a is the highest rating offering the highest resistance to fire and unrated is the worst.
An example of an unrated covering is an untreated wood shake roof.
Thicker products are more durable longer lasting leak and puncture resistant and therefore cost more.
Gaf single ply membranes tpo pvc and pvc kee.
