Cavity closers provide a reliable solution for sealing cavities around window and door openings in masonry, timber frame, and steel frame wall constructions. Designed with a UPVC outer layer acting as a damp‑proof barrier and an insulated, moisture‑resistant core, they deliver strong compressive strength and excellent thermal performance.

APPLICATIONS:
• Suitable for new‑build and refurbishment projects.
• Ideal for closing cavities with unknown or variable widths.
• Installed at door and window reveals.
• Compatible with multiple wall construction types.

FEATURES & BENEFITS:
• Available in two profile ranges: 50–100mm and 100–150mm.
• Cut‑to‑size grooves for fast and simple installation.
• Multi‑width design accommodates cavity width variations.
• Manufactured to BS EN 13163:2012+A1:2015.
• Complies with NHBC and all relevant British Standards.