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Technical Handbooks Scotland (Section 2 - Fire) - Masonry Cavity Walls

  • Sector
  • Construction
  • Date Published

In this article we will look at the requirements for masonry cavity walls in the Technical Handbooks in Scotland, including which Kingspan Insulation products can be used in this application. The information contained within this article should be used in combination with the full Building Regulations and Building Control where necessary.

Please seek guidance for suitability of use for the intended full construction build-up and building type from Building Control and / or a Fire Engineer prior to commencement of any work.

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What are the fire regulations for insulation in masonry cavity walls in Scotland?

Any insulation used in masonry cavity walls in any building, can be used when installed within a masonry cavity wall with two leaves of masonry each at least 75 mm thick, with a cavity barrier installed around all openings in the wall and at the top of the wall head. 

Which Kingspan Insulation cavity walls can be used in Scotland?

All Kingspan Insulation cavity wall insulation products (Kooltherm K106 Cavity Board, Kooltherm K108 Cavity Board and Thermawall TW50) can be used when installed within a masonry cavity wall with two leaves of masonry each at least 75 mm thick, with a cavity barrier installed around all openings in the wall and at the top of the wall head. For other constructions, the product must not be used on buildings with a storey 11 m or more above ground level or within 1 m of a boundary.

For further information on the suitability of Kingspan Insulation products please refer to the relevant BBA Certificates:

Kooltherm K106 Cavity Board

Kooltherm K108 Cavity Board

Thermawall TW50 

Further information

The following links provide further information and guidance on the Building Standards:

Technical Handbooks for domestic and non-domestic buildings

The Fire Protection Association downloadable flow charts

Kingspan Kooltherm K106 Cavity Wall Insulation Between Brick Block
Kooltherm

Kooltherm K106 Cavity Board

Premium performance phenolic full fill insulation

Kooltherm K8 Product Render Brick Block Plasterboard
Kooltherm

Kooltherm K108 Cavity Board

Premium performance phenolic partial fill insulation

Kingspan Thermawall TW50 Cavity Wall Insulation Between Dense Block Block
Therma

Thermawall TW50

High performance PIR partial fill insulation

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  • Related Products

  • Kooltherm K106 Cavity Board
  • Kooltherm K108 Cavity Board
  • Thermawall TW50
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  2. Technical Handbooks Scotland (Section 2 - Fire) - Masonry Cavity Walls
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