Insulated Cavity Closer - Adjustable EPS

THERMALLY INSULATED CAVITY CLOSER – Designed to enhance cavity wall insulation around openings, helping prevent cold bridging and improving overall thermal performance.

ADJUSTABLE FOR WINDOWS & DOORS – Suitable as a window cavity closer or door cavity closer,  easily adjustable with pre-formed grooves for a secure fit across common cavity widths.

SUPPORTS ENERGY-EFFICIENT INSTALLATION – Forms a reliable thermal break for cavity walls, improving air tightness and contributing to energy-efficient window installation.

DURABLE EPS CORE WITH PVCu FRAME – Manufactured as a strong PVCu cavity closer with insulated EPS core, delivering dependable cavity barrier insulation and long-term stability.

BUILDING REGULATION COMPLIANT –  certified, thermally insulated cavity closer that meets UK Building Regulations and is trusted by professionals for new builds, extensions, and refurbishment projects.

SUITABLE FOR MULTIPLE BUILD TYPES – Ideal as a cavity closer for timber frame, masonry and steel constructions. Available in sets 5, 10, 15 and 20 pcs to suit different project sizes.