1. What is the thermal conductivity of Rockwool Products? The thermal conductivity ( value) of Rockwool products at a mean temperature of 10°C is in the range of 0.034 to 0.044 W/mK. The thermal resistance (R value) of a specific product can be found by dividing its thickness in meter by the value.

2. What insulation do you do for insulating cavity walls, and what guarantees do they have? Rockwool manufacture a number of cavity wall insulations, we have two full fill options and one partial fill option. Rockwool Cavity is a slab for fully filling the cavity and is installed during construction and Rockwool Energy Save is granulate that is blown in to the cavity by Rockwool approved installers. HP Partial Fill is a slab for partially filling the cavity with a residual cavity of a minimum 25 mm. If NHBC is involved, please check with their requirements. A British board of agreement certificates covers all the materials. Rockwool Energy Saver is also covered by CIGA, the Cavity Insulation Guarantee Agency.

3. Can I install Rockwool Cavity below DPC? Yes, Rockwool Cavity may be fitted below DPC level, but must be cut to bring into course with the first row of wall ties. Otherwise, the first row of slabs must be supported by two wall ties per slab, and cut to course with the next row of wall ties.

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