Product Details

SAMAC Cavity Closers XPS Insulated Multi Width Packs of 10

SAMAC Cavity Closers are high-performance insulated profiles designed to seal cavities around window and door openings, preventing cold bridging, moisture ingress, and air leakage in masonry, timber frame, and steel frame construction. Manufactured using rigid XPS insulation with a durable uPVC profile, these closers provide an effective thermal and damp barrier, helping meet current UK building regulations. Engineered for versatility on site, SAMAC multi-width cavity closers accommodate varying cavity sizes—typically ranging from 50mm to 150mm—making them ideal for both new build and refurbishment projects. The rigid extrusion allows for

Choosing Your Product

Check the available size, pack quantity and application details before ordering. Use suitable fixings and follow manufacturer installation guidance.

Related Products

For related work, see our flat glazing packers.