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Type U Undersill Envelopment Tray

Cavity Trays Ltd

Envelopment tray for use with stone, concrete and jointed solid sills.

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+44 (0)1935 474769 Website

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

Finish

Textured

Material

Polypropylene

Shape

Other

Size

2440 mm length as standard (in one length maximum).

Uniclass

Pr_25_57_21_66 Preformed cavity traysPrimary

CAWS

F30/270 Meshwork joint reinforcement

F30/56 Preformed cavity trays

Specification data - Preformed cavity trays

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.

Environmental information

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recyclability

Yes

Recycled content

100 %

Literature

Type U Undersill preformed cavity tray tile and brick sill dpc

Type U Undersill preformed cavity tray tile and brick sill dpc

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