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IKO Roofing Felt Shingle Underlay 3B - 20m x 1m Black UL3B
IKO Glass Fibre Underlay is a waterproofing membrane, manufactured to BS 747 Type 3B, consisting of a strong glass fibre base coated with oxidised bitumen. It is sand finished on both surfaces. This product is used as an economical underlay (or inte...
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