The american society of testing and materials astm requires a roofing membrane to have a minimum breaking strength of 200 pounds per inch.
Ribbed pvc membrane roof.
Requires the use of an adhered membrane to the roof deck no mechanical fasteners to provide a smooth roof surface.
Metal roofing looks great and can yield many years of protection.
The vinyl rib system consists of the duro last single ply membrane a proven performer since 1978 and separate vinyl ribs that are heat welded to the installed membrane.
The look of metal the protection of fibertite.
However its reputation to remain leak free is less than brilliant particularly for complex roofing designs such as changes in roof direction valleys wall seams and conduit or vent penetrations.
Pvc roofs are specifically engineered for strength ensuring the membrane s long service life.
This membrane product comes in different colors and thicknesses with different projected lifespans.
Four 4 methods to re cover a metal panel roof the many options for attaching a single ply system to a metal panel roof an example calculation for wind uplift design pressures and appropriate fastener patterns that provide the necessary resistance capacity industry.
Pvc roofing membranes far surpass this standard all having a minimum breaking strength of 350 pounds per inch.
An assessment of wind resistance we provided information about the following.
A fibertite simulated metal roofing system also.
In part 1 retrofit single ply roof systems.
Vinyl rib roofing system details.