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215mm Terracotta Cavity Liner

215mm Terracotta Cavity Liner M02011081
£3.750ex VAT (£4.500 inc VAT)
215mm Terracotta Cavity Liner
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  • Description
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Terracotta cavity liners are available in two size standard size options of 215 x 65mm and 140 x 65mm from C & W Berry. Manufactured by W T Knowles & Sons, cavity liners help to achieve the required levels of permanent ventilation as outlined in Building Regulations Approved Document J 2010 by bridging the depth of the wall between two air bricks.

What are Cavity Liners?

Cavity liners are designed for use between an external and internal air brick to create a clear air tunnel for ventilation to circulate through. When used in conjunction with air bricks, cavity liners help to prevent the build-up of cold air pockets and condensation, thus minimising the risk of rot on timber or block and beam floors.

Key Features

  • Designed to bridge the gap between external and internal air bricks.
  • Allows air to flow freely, thus providing adequate ventilation.
  • Highly resistant to frost and the freeze / thaw cycle.

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