‘Brick walls
Stepped cavity tray system for brick wall construction of 75mm course heights
Use
• At the abutment of a pitched roof with a cavity wall
• On external walls - not exceeding 102.5mm thickness - built from standard brickwork or similar sized components with regular course heights, including mortar of approx. 75mm
• On roof pitches of 10 degrees and above
• Cavity widths of between 50mm-125mm
Block walls
Stepped cavity tray system for blockwork constructions of 225mm course heights
Use
• At the abutment of a pitched roof with a cavity wall
• On external walls - not exceeding 150mm thickness - built from blockwork or stone with regular course heights, including mortar of approx. 225mm
• On roof pitches of 12.5 degrees and above
• Cavity widths of between 50mm-125mm
Stone walls
Stepped cavity tray system for stonework constructions of 150mm course heights
Use
• At the abutment of a pitched roof with a cavity wall
• On external walls - not exceeding 150mm thickness - built from natural or reconstituted stone with regular course heights, including mortar of approx. 150mm
• On roof pitches of 7.5 degrees and above
• Cavity widths of between 50mm-125mm’