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Home / Roofing Accessories / Cavity Trays / Cavity Closers & Cavity Bricks / Type J2 Insulated DPC Cavity Support and Closer 150mm - 2.4m Length

Type J2 Insulated DPC Cavity Support and Closer 150mm - 2.4m Length

Product Code:
TYPEJ2-INS
Brand:
Cavity Trays
Est. Delivery: 2-3 Working Days
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£32.66 Incl. VAT
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Description

Please note, this is an insulated Cavity Support and Closer. Click here for the uninsulated equivalent.

Parapet construction requires a DPC immediately under the coping. BS5628:Part 3 qualifies the manner in which the DPC must be supported. The Type J closer fulfils the requirements of the British Standard, and also the N.H.B.C. performance standard, chapter 6.1, S4 (c) to (d). The conventional cavity parapet is normally terminated with copings, under which a DPC is bedded and positioned. The width of the DPC must be sufficient to slightly overhang the width of the parapet masonry. Support of the DPC is required where it crosses the cavity.

The Type J is designed for such purposes.
J1 = 130mm x 30mm x 2mm/2.5mm.
J2 = 150mm x 30mm x 2mm/2.5mm.

Application

Provides DPC support and closes cavity under parapet copings. Also provides means of closing cavity in open eaves and other eaves details.

Properties

  • Standard lengths 2400mm.
  • J1 closer make it suitable for use in cavities from 50mm up to and including 90mm.
  • J2 is a larger closer suitable for use in cavities from 90mm up to and including 100mm.
  • Material PVCU, Type 4.
  • Available with insulated infil of K-value 0.037 W/mºC.

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