Embedded Files
Opening are a regular part of any construction, they come with an additional risk. Particular attention to detail is required in the construction, bonding, lintels and protection of ancillary components.
Ensure the correct cavity closer is used.
Cavity walls ties set vertically to every block course and within 225mm of the cavity closers.
Cavity closer anchoring ties provided with the cavity closers.
Retain cavity closer support and any additional support provided for the duration of the build.
Additional support provided to lintel to prevent bowing when weight is applied during construction.
Protection should be provided to any decorative details around the opening to prevent damage later in the build process
Protection should be substantial enough to prevent damage.
Both leaves to be built up together.
Lintels need to bear at least 150mm.
Lintel must be fully bedded.
Be level.
Be wide enough to provide adequate support to the walling above.
Cavity trays on top of the lintel with a minimum 75mm stop-end built in.
Where horizontal tray is raised to allow for the installation of a roof such as a bay; a Vertical DPC should be provided between the lintel and the raised tray.
The vertical DPC and horizontal DPC must join to provide an effective seal.
Stone sills and decrotive details should be level, consistent and free from defects and mortar stains.
Page updated
Google Sites
Report abuse