The main cavity tray component, the horizontal tray. Sections join together by means of a lapped joint, sealed with factory applied butyl mastic tape, to form the main cavity run. Water is gathered by the tray and is discharged from the all through a series of weeps.
At the abutment of a flat roof, lean-to or mono pitch roof with a cavity wall. Over concrete ring beams, 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.
-Effective length 410mm
-Manufactured by injection moulding in 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.