IKO GLASS FIBRE UNDERLAY

IKO Glass Fibre Underlay is a waterproofing membrane, manufactured to BS 747 Type 3B, consisting of a 60g/m² glass fibre base coated with oxidised bitumen. It is sand finished on both surfaces.

This product is used as an economical underlay (or intermediate layer) in a built-up felt roofing specification, and is usually fully bonded in hot bitumen. It is also used as an underlay to bitumen shingles in a pitched roof application.

Roll weight: 36kg. Roll size: 20m x 1m.

(Formerly BS747 Type 3B)