Adjustable stepped cavity trays for brickwork are used for the following application.
- At the abutment of a pitched roof with a cavity wall
- On external walls – not exceeding 120mm thickness – built from standard brickwork or similar sized components with regular course heights, including mortar of approx. 75mm
- On roof pitches of 25 degrees and above
- Cavity widths of between 50mm – 110mm