GAFGLAS® STRATAVENT® Perforated Base Sheet is a premium-grade roofing felt constructed around a strong glass fiber mat and high quality asphalt. The bottom of the sheet is granule-surfaced to provide positive venting of any trapped gases under the roof membrane.
GAFGLAS® STRATAVENT® Perforated Base Sheet is a venting base sheet designed to be used in various GAFGLAS® built-up and RUBEROID® modified bitumen roofing systems. It can be used over both nailable and non-nailable substrates, including certain existing old roof surfaces and isocyanurate foams.
|Meets ASTM D4897, Type II and D3672 Type II|
|ICC ESR # 1274|
|Miami-Dade County Product Control Approval|
|State of Florida Product Approval|
|Texas Department of Insurance|
|Product Specifications (Nominal)|
(133.4 gross sq. ft.) (12.4 m2)
|Roll Length||40.6' (9.9 m)|
|Roll Width||39.375' (1.0 m)|
|Approx. Roll Weight||67 lbs (30.39 kg)|
All documents are U.S. English unless otherwise noted