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Rocksilk Acoustic Products: Rocksilk Pitched Roof Slab

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Rocksilk Rock Mineral Wool: Rocksilk Pitched Roof Slab
Below you will find information on specific products within our range. To ensure that you purchase the correct products to suit your requirements we recommend that, you contact one of our qualified customer focused advisors, who will be only too pleased to help. Please call 08451 306 269 or email us for a quote or advice.
Rocksilk Pitched Roof Slab  
Short Description
Standards
Rocksilk Pitched Roof Slab is a non-combustible inorganic rock wool, defined as mineral wool in BS 3533 and is manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001:2000.
Fire Performance
Rocksilk Pitched Roof Slab is classified as Euroclass A1 to BS EN ISO 13501-1.
Thermal Performance
The thermal conductivity of Rocksilk Pitched Roof Slab is 0.038 W/mK.
Permanence
Rocksilk Pitched Roof Slab is rot proof, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria, and is odourless and non-hygroscopic. It is non-wicking when tested in accordance with BS 2972:1989 Section 12.
Moisture Resistance
Handling and Storage
Rocksilk Pitched Roof Slabs are supplied in Supakube palletised packaging.
Application
For over rafter (sarking) thermal insulation of pitched roofs.
Installation

Rocksilk Pitched Roof Slab should be laid across the finished rafters, from the eaves, with all boards tightly butted and with staggered joints. The boards can be cut to length to match the centres of the rafters. Knauf Breatheline should be laid over the Rocksilk Pitched Roof Slab, pullled taut, and secured to the rafters with counter battens. The counterbattens should be fixed through the Rocksilk Pitched Roof slabs using spiral fixings, such as Helifix Inskew 600 or Buildex RG, a minimum penetration into the rafter of 35mm is required.

Tiling battens should then be secured to the counterbattens. Rocksilk Rafter Slabs are simply friction fitted between the rafters, they should be pushed up to be in direct contact with the Rocksilk Pitched Roof Slab, with no air gaps between the two layers of insulation. Alternatively Knauf Breatheline can be installed draped in the traditional manner between the two sets of battens.

Product Data
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