Apex Cavity Trays
Description

The product is designed to sit at the top of a pitched roof abutment system, it can be supplied with or without lead attached and is suitable for use with brick or blockwork constructions and with roof pitches of 17.5 to 50°.

Manthorpe cavity trays have been assessed by the British Board of Agrèment.

General information

Uniclass 2015

Pr_25_57_21_66 Preformed cavity traysPrimary

CAWS

F30/370 Preformed cavity trays

Specification data - Preformed cavity trays

Product Reference

GW 290

Lead flashing

Short lead code 4

Standard lead code 4

Long lead code 4

Standard lead code 5

Long lead code 5

Not required

Product Options

Product reference:

- Type GW 290 Apex Tray:

  • Designed to be situated at the top of the abutment and does not incorporate upstands to allow water to be evenly dispersed down either side of the abutment.
  • The tray has a unique front mortar clip, removable once the mortar has set, leaving a 25 mm deep aperture into which lead is inserted and secured with lead wedges.
  • The GW 290 Apex tray can be supplied unleaded or with lead stapled and sealed to the tray.
  • Suitable for pitches 17.5 to 50°, 75 mm coursing.

Lead flashing:

Leaded trays available with the following:

  • Short lead code 4–75 mm drop.
  • Standard lead code 4–150 mm drop.
  • Long lead code 4–300 mm drop.
  • Standard lead code 5–150 mm drop.
  • Long lead code 5–350 mm drop.

(Code 5 lead is supplied to special order).

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