Cavity Trays offers preformed corbel cavitrays
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preformed corbel cavitray
A preformed corbel cavitray that envelops the hidden faces of the corbel is manufactured to order by Cavity Trays.
Where corbel dimensions result in the cavity being encroached or breached, a different approach is required.
This must ensure the corbel cannot act as a bridge via which penetrating dampness can reach the inside skin.
The corbel cavitray prevents dampness from permeating inwardly and with thermal insulation bonded on those faces that run parallel with the outside skin, it also addresses cold bridging.
The envelopment can incorporate an upward angled section on the top of the corbel surround - to guard against water tracking - where masonry exists between it and its position in relation to the roofline.
The corbel cavitray is manufactured from petheleyne dpc and the phenolic insulation has a k value of 0.029W/mK.
Use of corbel cavitrays can improve the thermal behaviour at the point of incorporation and ensure the detail is unable to support water ingress.
Cavity Trays is pleased to schedule and quote for your requirements upon receipt of drawings.
Cavity Trays, already the only UK manufacturer of preformed cavitrays to hold European Technical Approval, has now secured additional approvals from LABC Registered Details (Local Authority Building Control) for preformed curved and straight cavitrays plus its extensive range of Cavicloaks.
Cavity Trays recommend the excellent thermal bridging junction details published by Constructive Details Ltd plus advise how some thermal junctions might be further enhanced.
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Type LTT Level Threshold Trays are popular with house builders seeking a standardised level threshold specification solution.
Four new BBA flashing materials in lead, copper, aluminium and synthetic are now available from Cavity Trays.