IKO 3842000 Glass Fibre Underlay (3B) 20m
IKO Glass fibre underlay is used as an economical underlay (or intermediate layer) in a built-up felt roofing specification, and usually fully bonded in hot bitumen. This product can also be used as an underlay to bitumen shingles in a pitched roof application. IKO Glass Fibre Underlay is a waterproofing membrane, consisting of a 60g/m² glass fibre base coated with oxidised bitumen. It is sand finished on both surfaces.