Thermal insulation SOFFIT SLAB
acousticmineral woolpanel

thermal insulation
thermal insulation
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thermal, acoustic
mineral wool
wall, interior
Technical characteristics
Thermal conductivity

0.034 W/(m.K)


130 mm, 145 mm, 160 mm (5.12 in)


Bridging the gap Concrete soffits play a vital role within the structure of a building, but without adequate protection they can leave buildings vulnerable to the rapid spread of fire and the costly loss of heat. The ROCKWOOL® Soffit Slab is a mineral wool fire resistant insulation that also offers important acoustic and thermal benefits for concrete soffits. The Soffit Slab has been created to provide a cost-effective fire resistant and thermal insulation solution for structural elements such as concrete car park soffits. The Soffit Slab is manufactured from non-combustible rigid ROCKWOOL® board and has been designed with a variety of facings. To suit requirements of design schemes, it is available with a black or white tissue facing, aluminium foil facing, un-faced and also with a non-combustible high impact board. The rigid ROCKWOOL insulation board also offers excellent thermal and acoustic performance - available in various thicknesses, it provides up to 4 hours protection, for concrete soffits. The ROCKWOOL® Soffit Slab is water repellent and breathable. The durability of the product increases further when used in combination with the 6mm non-combustible high impact option. The use of the two products together provides increased impact resistance and are available in thicknesses from 136mm to 166mm in 10 mm increments. Accreditations Non-combustible (Euroclass A1) CE marked in accordance with BS EN 13162 Easy to install - installation requires contractors to simply butt together at joints.


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