Knauf Insulation - Rocksilk® EWI Slab - External Wall Insulation
Verified by manufacturer 3 months ago
EWI Slab 60 mm
EWI Slab 60 mm
A rock mineral wool insulation slab, developed for use in external wall insulation systems.
Application
Rocksilk® EWI Slabs are specifically for use with external wall insulation systems. The slabs can be either adhered and mechanically fixed or just mechanically fixed to the substrate then overlaid with a mesh and render system to the designers/system suppliers specification. The slabs offer a solid and robust supporting substrate for the render and no fire stops are required.
Description
Knauf Insulation Rocksilk® EWI Slab is a rock mineral wool insulation slab, developed for use in external wall insulation systems. Slabs can be either adhered and mechanically fixed or just mechanically fixed to the substrate. The fire resistance of the product removes the need for fire barriers, providing simple, quick and economical installation of external wall insulation systems. Knauf Insulation Rocksilk® EWI Slab is non-combustible with the best possible Euroclass A1 reaction to fire classification.
General information
Color | Brown |
Finish | Unfinished |
Material | Rock mineral wool |
Shape | Rectangle Guidance for specification option: Slab. |
Length | 1200 mm |
Width | 600 mm |
Height | 60 mm 90 mm 100 mm 120 mm 150 mm |
Uniclass | |
CAWS | P10/42 Mineral wool insulation slabs fixed to backing wall P10/217 Insulation slabs fixed to backing wall M21/210 External wall insulation system M21/20 External wall insulation system . . . . . . |
Product range |
Specification data - Mineral wool insulation
Standard | To BS EN 13162. |
Third-party certification | Euroclass A1 Reaction to Fire Classification. |
Form | Slab. |
Facing | Unfaced. |
Thickness (minimum) | 60 mm. |
Width (nominal) | 600 mm. |
Thermal conductivity (maximum) | 0.036 W/m·K. |
Fire performance | Euroclass A1 to BS EN 13501-1. |
Recycled content | Up to 35%. |
Vapour resistivity | 5.00 MN·s/g·m. |
Water absorption | Short term water absorption, WS: <1 kg/m² tested in accordance with BS EN 1609. |
Compressive strength (mean value) | 30 kPa. |
Environmental Product Declaration (EPD) | EPD available. In accordance with BS EN 15804+A2. |
Green guide rating | B. |
U-value | Manufacturer guidanceMethod: calculations should be created using 2D or 3D modelling programs which comply with the methodologies detailed in BS EN ISO 10211. |
Durability | Odourless, rot-proof, non-hygroscopic, do not sustain vermin and will not encourage the growth of fungi, mould or bacteria. The product will have a life equivalent to that of the wall structure in which it is incorporated. |
Thermal resistance | 1.67 m²K/W. |
Sustainability data
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 18.9 kg CO₂ eq/kg Self declared Guidance for specification option: 1 m² of Rock Mineral Wool Rocksilk® EWI Slab with a thickness of 120 mm with R value of 3.33 m2K/W. |
Recyclability | Recyclable Guidance for specification option: Mineral wool products from Knauf Insulation can be and in some cases are partly recycled at their end of-life, please contact supplier for more information. |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 35 % |
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
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| Platform | Compatible | Version |
|---|---|---|
 Revit | - | 1 |
 IFC | - | 1 |
Literature
Knauf Insulation Solutions Guide
Rock Mineral Wool with ECOSE® Technology - Safety Datasheet
Rock Mineral Wool - BREEAM Helpsheet
Knauf Insulation Rocksilk® EWI Slab - Product Datasheet