Class a is the highest rating offering the highest resistance to fire and unrated is the worst.
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.
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.
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.
An example of an unrated covering is an untreated wood shake roof.
For most roofing projects chemical resistance of the membrane is not a consideration.
Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price.
C ertain data is provided in m d m achine direction x c m d cross m achine direction form at.
Gaf single ply membranes tpo pvc and pvc kee.
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.
45 60 and 80 mil.
However in some cases the roof may be exposed to chemicals oils greases and the like.
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.
Heat welded seams provide superior strength.
So just go with whatever building codes require in your are.
Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof.
Examples of a class a roof covering include concrete or clay roof tiles fiberglass asphalt composition shingles and metal roofs.
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.
Tpo chemical resistance table.
Thicker products are more durable longer lasting leak and puncture resistant and therefore cost more.
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.
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.
It is one of the most sustainable and 100 recyclable roofing options trusted for its durability and weather resistance.
Generally tpo material is available in 3 different thicknesses.
