Irex 40
Bituminous Roofing
Environmental Impact
Production Carbon
Not available
Declared Unit
1 m2
Valid Until
Jul 2027
Product Details
Category
Bituminous Roofing
Program Operator
NSF International
Verifier
NSF International
PCR
Part B: Asphalt Roofing Products 1
Manufacturer Website
www.siplast.comDate of Issue
2022-07-26
Description
Irex 40 is a high performance, heavy duty base sheet or base ply designed for use with Siplast Veral and other torchable roof membrane systems. It consists of a lightweight random fibrous glass mat impregnated and coated with a specially formulated styrene-butadiene-styrene (SBS) modified bitumen. Irex 40 is used as a ply sheet or base sheet in multi-ply assemblies depending on specification requirements for Siplast Veral and other Siplast Roof Systems.