Iko Perforated Sand Surfaced Underlay (Formally Type 3g) 10 x 1m - British Building Supplies

Iko Perforated Sand Surfaced Underlay (Formally Type 3g) 10 x 1m

A loose laid perforated underlay which is designed to provide a controlled partial bond to a substrate when the subsequent layer is fully bonded in hot bitumen in a built-up roofing system. Sand finished on the top surface and slate finished on the underside

Iko Perforated Sand Surfaced Underlay (Formally Type 3g) 10 x 1m

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