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Manthorpe’s Horizontal Refurbishment Trays are designed for use in horizontal abutment situations, for retro fit details.
The GW294 Refurbishment Horizontal Tray is designed to provide protection where a new horizontal roof abutment meets an existing wall. It can also be used where the original system has been found to have degraded or even left out of the wall construction.
Alternatively it can be used in new build horizontal situations or in conjunction with the GW295 Horizontal Tray. Integral stop ends and a hook feature remove the need to overlap the trays giving a total effective length of 450mm.
The tray has a unique front mortar clip that can be removed at any time once the mortar has set leaving a 25mm deep aperture into which the lead is inserted and secured with lead wedges.
A G950 Weep Vent or G951 Peep Weep must be used in each tray to drain away the collected water.
The GW294 Refurbishment Tray can also be supplied with short, standard or long lead stapled and sealed to the tray in either code 4 or code 5 (special order).
Part of the horizontal tray system
Horizontal abutment trays
Removable mortar strip for easy lead application
Additional handed stop-ends.
Trays should be positioned between 75-100mm above the finished roof line depending on the detail and lead drop required.
Bed the trays down on to a thin layer of mortar, interlocking each tray over the adjacent tray at the stop end.
A weep vent should be placed every 450mm to drain away any collected water.
Regulations & Standards
BS 5628-3:2005 Code of practice for the use of masonry.
BS 8000-6:2013 Workmanship on building sites. Code of practice for slating and tiling of roofs and walls
BS 8215:1991. Code of practice for design and installation of damp-proof courses in masonry construction.
NHBC Standards 6.1
BRE DIGEST 262/380.
|Size & Weight|
|Height (?)||155 mm|
|Length (?)||450 mm|
|Max Cavity Width (?)||100 mm|
|Min Cavity Width (?)||50 mm|
|Certifications & Ratings|
|Standards (?)||BRE Digest 262/380, NHBC Standards 6.1, BS 8215, BS 8000-6, BS 5628-3|
|Materials & Finishes|
|Product ID (?)||GW294|
|Quantity Per Pack (?)||25|
|Features (?)||Part of the horizontal tray system. For refurbishment. Horizontal abutment trays. Integral stop-ends. Removable mortar strip for easy lead application. Additional handed stop-ends.|
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