CavityTherm provides a continuous wall insulation ‘system’ that delivers on U-values, with the added assurance of inbuilt protection from wind driven rain.

Continuous Wall Insulation

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CavityTherm provides a ‘system’ that delivers on U-values, is practical, and with a full range of innovative detailing accessories – it delivers on continuity.

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Added Assurance

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CavityTherm’s unique engineered profiled facing directs any moisture that might penetrate the external wall, giving added protection from wind driven rain.

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Ultimate Thermal Performance

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CavityTherm built into a traditional 100 -150mm cavity using standard foundation widths, building skills and local materials achieves U-values
down to 0.12 W/m²K.

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The Complete
Cavity Wall System

Real performance on actual construction sites

Xtratherm CavityTherm wall insulation board
is a high performance composite board
of enhanced PIR core with a lambda value of
0.021 W/mK. The boards have gas tight facings
with one face bonded to a profiled HIPS skin
during manufacture to provide a drainage plane.

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