Cavity Closer
A comprehensive range of Cavity Closers and an overhead vent that provides an accurate template during construction insulates the cavity and ensures efficient window installation.
Features
- A complete New Build System to suit all construction methods, the Duraframe system is fully approved by BBA and covers cavity widths from 70mm to 150mm
- The closer is constructed using recycled material but to the same specification as the window
- The Cavity Closer is available for all cavity width dimensions with a unique extension system that ensures regulation compliance in all situations. Closers can be constructed in P and T Shapes, purpose made sizes and shapes and standard or check reveal applications
- The Duraframe overhead vent system has been designed so it can be mechanically jointed into the cavity closer or fitted to head or the window or door. Features include a 35mm internal depth all ensure plaster detail does not interfere with the vent opening, this is achieved with only a 25mm height deduction.
- The width of the vent at 150mm is designed to cover the lintel and the external vent is recessed to improve aesthetics but maintain performance
Standard Specification
- Recycled profile extrusion
- Acts as brickwork former
- Closes 75, 90, 100, 115, 125 and 150mm cavities with flat, 33mm inset or check reveal (other cavity widths available upon application)
- Eliminates moisture penetration around reveals
- Prevents thermal bridging in accordance with Part L regulations
- Assists Building Regulation compliance for air tightness
- BBA approved (04/4902)
- Achieves thermal resistance path (0.45m2/KW)
Performance
Assessed to the thermal Path method (0.45m²/KW) BBA approved/certified (04/4902).
























