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Manthorpe G912 Joist Seal 48mm x 140mm - Translucent White

Code:
G912-48-140

Solve the problem of air leakage around the timber joist and effectively mount the joist in the wall. Traditionally, joists would be built directly into the blockwork skin of an external wall. However, construction details state that this is no longer acceptable, as shrinkage ... Read More

£13.28 Incl. VAT
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"Internal fixed chimney bird cowl"

Neil

Description

Solve the problem of air leakage around the timber joist and effectively mount the joist in the wall. Traditionally, joists would be built directly into the blockwork skin of an external wall. However, construction details state that this is no longer acceptable, as shrinkage of joists and mortar allows air leakage to the cavity. One alternative is to use joist hangers - but these are difficult to fit and lead to reports of structural problems such as springy floors and collapse.

The box is placed over the end of the joist and built into the inner leaf of the external wall construction. As the timber dries out and shrinks, the seal is still maintained between the box and the masonry.

Features & Benefits: Manthorpe G912 Joist Seal 48mm x 140mm - Translucent White

  • Designed to solve the problems of air leakage associated with built-in timber joists
  • Inner flange has a number of push-out pockets for the location of restraining straps as required
  • Preventing air leakage into the cavity complies with Part L of Building Regulations

Product Specification

  • Width: 48mm
  • Block size: 140mm
  • Height: 225mm

Dimensions

Width
48mm

Details

Height
225mm

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Manthorpe G912 Joist Seal 48mm x 140mm - Translucent White

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