Suitable for use on all common floor applications. Terrafloor provide high compressive strength and has a tissue facing to be
compatible with a wide range of installation methods. It consists of two product families, Thermal and Acoustic Terrafloor (200).
Fire performance
Soffit Slabs have been tested to BS EN 1363-1 to offer fire protection to reinforced concrete soffits. When applied to the soffit using the recommended fixings and pattern, 130 and 140mm thick products, with and without facings, provide 3 hours fire insulation and integrity to a minimum 90mm thick floor slab. 150 and 160mm thicknesses provide 4 hours to a minimum 150mm thick slab.
Thermal performance
Thermawool Soffit Slab has a thermal conductivity (k value) of 0.034 W/mK.
Thermal resistance of un-faced Soffit Slab:
A typical construction comprising of a 150mm concrete floor slab underlined with 130mm thick Soffit Slab would achieve a U-value of 0.25W/m2K. A U-value of 0.20 W/m2K can be achieved using 160mm thick Soffit Slab.
Technical information
Thermawool Soffit Slab achieves a reaction to fire classification of A1 – BS EN 13501-1.
Compatibility
Thermawool Soffit Slabs are chemically inert and compatible with most materials with which they are likely to come into contact in normal building applications
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