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.com
Date 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.