Thermal Cavity Closers

Heat loss and condensation through un-insulated door and window reveals can ruin an otherwise warm and comfortable home.

The Manthorpe range of Cavity Closers offers an economical solution to closing the cavity at window and door reveals while also solving cold bridging problems.

Cavity Closers not only provide a thermal break at the reveal of both door and window openings, they also act as an effective vertical damp proof course (DPC), ensuring compliance with building regulations.

The Manthorpe Cavity Closer also addresses the issue of condensation and promotes an air tight detail. Thermal efficiency can be achieved assuming that all other relevant work has been done in accordance with best practice.

They also save time in construction by closing the cavity without the need to return the block work.

G240

The G240 cavity closer suits standard vertical cavity and sill details providing a thermal break to the cavity and an effective vertical DPC barrier.

G241

The G241 is an economical, single extrusion fitted version of the G240. It is also used in sill details by simply cutting a length to suit the width of the window and placing it in the cavity at the sill.

G242

The G242 cavity closer is suitable for use in rebated openings, providing an economical solution to cold bridging problems and is available in a range of sizes to suit all cavity widths.

G243/G244

The G243 and G244 Flexible Cavity Closers sections allow for arched and round windows and doors to be easily incorporated into building designs without compromising insulation requirements.

G245/G246

G245 and G246 Plastic Fixing Clips enable the closer to be mortared securely to the brickwork. They also allow shorter lengths of closer to be joined together, thus reducing wastage.

G247

The G247M Multi Width Cavity Closer suits standard cavity widths between 50mm and 100mm in a single product, the grooved back profile of the insulation can be cut to the desired width.

G249 Fire Rated Cavity Closer

The Manthorpe G249F Half-Hour Fire Rated Cavity Closer has been designed for use where a fire barrier is required to seal cavities around window and door reveals of a building.