NBS Source
Refurbishment Cavity Trays

Application

Designed to provide protection where a new horizontal roof abutment meets an existing wall but can be used to replace original or missing cavity trays.

Description

Manufactured from injection moulded polypropylene, the trays are available for horizontal brickwork details. The products are supplied with or without lead attachment.


Features and benefits:

  • Assessed by the British Board of Agrèment.
  • The refurbishment tray can also be used in new build, horizontal situations or in conjunction with the GW 295 Horizontal Tray.
  • Integral stop ends and a hook feature remove the need to overlap the trays, providing a total effective length of 450 mm.
  • A G950 Weep Vent or G951 Peep Weep must be used in conjunction with this tray.
  • The tray has a front mortar clip that can be removed at any time once the mortar has set leaving a 25 mm deep aperture into which the lead is inserted and secured with lead wedges.
  • The GW 294 Refurbishment tray can be supplied unleaded or with short, standard, or long lead, stapled and sealed to the tray.

General information

Material

Polypropylene

Uniclass

Pr_25_57_21_66 Preformed cavity traysPrimary

CAWS

F30/370 Preformed cavity trays

Specification data - Preformed cavity trays Enhanced data

Third party certification

British Board of Agrèment.

Material

Injection moulded polypropylene.

Length (effective)

450 mm.

Attached lead flashings

Not required.

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. Code 5 lead is supplied to special order.

Long lead code 5.

350 mm drop. Code 5 lead is supplied to special order.

Accessories

G 950 Weep Vent.

G 951 Peep Weep.

Product Reference

GW 294

Third party certifications

  • 01/3838

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