Lead Free Aluminium Base.
The built in 20° pitch allows adaptability to almost any roof pitch including 45°
A “C20” ASTM
Additional requirement was added to assure conformance to the most stringent ozone/weathering specifications available. This addition allows the rubber a 25 year life.
Fire Retarding Agents
The addition of fire retarding agents milled directly into the rubber compound creates a self extinguishing feature which enables it to be used with type “B” vents. Listed with IAPMO certification No.3121