IKO Glass Fibre Underlay (3B)

IKO Glass Fibre Underlay (3B)

Features and benefits

• Formerly BS 747: 2000 Type 3B
• British Standard glass-fibre based
• Economic roofing materials

IKO Glass-Fibre Underlay is a waterproofing membrane, consisting of a strong glass fibre base coated with oxidised bitumen. It is sand finished on both surfaces. Used as an economical underlay (or intermediate layer) in a built-up felt roofing, and is usually fully bonded in hot bitumen. It is also used as an underlay to bitumen shingles in a pitched roof application.

This range of IKO glass-fibre roofing membranes consists of underlays and cap sheets, complying with former BS 747: 2000 Type 3 where applicable. The products usually have an oxidised bitumen coating and are either sand or mineral surfaced. These products are usually applied with hot bonding bitumen, or cold bitumen adhesive.

Accreditations

Product attributes

MEMBRANE CARRIER: Glass

MEMBRANE MODIFIER: Oxidised Bitumen

MULTI-LAYER