Stop ends are fitted at the start and finish of the cavity tray run to seal off the open ends and prevent water running back into the cavity. For remedial work where a horizontal cavity tray must be inserted into an existing wall.
At the abutment of a flat roof, lean-to or mono pitch roof with a cavity wall. Over airbricks, cavity liners, ducts, meter boxes etc. On external walls not exceeding 102.5mm in thickness, built from standard brickwork, blockwork or stone.
Components supplied cut to required cavity widths of: 50-74mm, 75-99mm and 100-125mm. Please stated required width at time of order.
-Left hand tray
-2mm medium density polypropylene
-Roof pitch marks on tray upstand to give installation guidance
-Manufactured in the UK to BS EN IS0 9001 and BS EN IS0 14001.