Type U Envelopment Tray
Envelopment tray for use with stone, concrete and jointed solid sills.
Application
Traditional and timber frame construction compatible.
Suitable for new work applications. Retrofit possible with reconstruction.
Description
Bespoke envelopment trays providing the requisite damp proof course (DPC) presence in and around stone, concrete and jointed solid sills when incorporated within cavity wall construction.
Features and benefits:
- Prevents damp permeating inwardly.
- Integral end upstands.
- Integrates with reveal DPC.
- Satisfies Local Authority Building Control (LABC) 7.4.13.
- Satisfies National House Builders Council (NHBC) 6.1, table 9.
- Cavity insulation does not affect tray placement position.
- Does not extrude or compress under load.
- Masonry skin styles: No known limitation – flat finishes.
- Undulating masonry faces: Compatible.
- Curved wall on plan applications: Yes (see manufacturer's literature for details).
- Arrested water evacuation: Integral transient drainage apertures.
- Thermal transmission of material: Negligible.
- Jointing method: Glove lap 150 mm if over 2400 mm long.
General information
Color | Black |
Material | Polypropylene |
Size | 2440 mm length as standard (in one length maximum). |
Uniclass | |
CAWS | F30/270 Meshwork joint reinforcement F30/56 Preformed cavity trays |
Specification data - Preformed cavity trays Enhanced data
Material | Polyethylene. |
To fit cavity width | 50–200 mm, insert requirement. |
Length (effective) | 2440 mm.As standard (in one length maximum). |
ThermalConductivity | 0.033 W/m·K. |
Literature
Type U Undersill preformed cavity tray tile and brick sill dpc
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