Absorbent Concrete, sand/cement screed, plywood, hardwood and chipboard

Non-absorbent Terrazzo, steel, galvanised steel, waterproof surface membranes, epoxy, polyurethane and existing adhesive residue

Neoprene emulsion primer to promote adhesion of Stopgap smoothing underlayments to both absorbent and non-absorbent surfaces. Designed to prevent rapid drying of adhesives and smoothing underlayments.

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