Intermediate Stepped Cavity Tray

Suits all cavity options - forms main tray run with one tray on each course of brickwork running the full length of the abutting roof slope. For use 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° and above