Bitumen Primer – Black – Roofing & BuildingProduct Overview The Industrial Grade Bitumen & Flashing Primer in a 1 litre tin is a thin black primer designed to provide a strong key for subsequent bituminous coatings, paints, and flashing tapes. Ideal for roofing and general building substrates, it enhances adhesion and supports the performance of applied bitumen layers in both waterproofing and refurbishment works. Suitable for use on concrete, cementitious screeds, renders, bitumen felt,
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