Polyproof polythene dampcourse 350mm x 30m x 500um delivers extra‑wide protection for masonry walls and complex junctions. The durable, flexible polyethylene sheet is non‑staining and installs easily to form a continuous moisture barrier. Ideal for cavity trays, base courses, and under larger sills, it helps prevent damp penetration in brick and blockwork. A dependable, lightweight solution for broader damp‑proofing requirements.

$23.65

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