EARTHWOOL® WALL BATTS - INSTALLATION INSTRUCTIONS Rocksilk® EWI Slab - For external walls

March 2014 Rocksilk ® EWI Slab For external walls Description Rocksilk EWI Slabs are high strength, rock mineral wool slabs with a water repellent additive specifically designed 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. NOTE: It is the responsibility of the customer and end user to satisfy themselves, that this product is suitable for use and fit for purpose with the selected system. The end user is relying on their own expertise and judgements as to whether the insulation is suitable for their needs. Performance Technical Data Thermal Earthwool EWI Slab has a thermal conductivity of 0.040W/mK. Fire Rocksilk EWI Slab are classified as Euroclass A1 to BS EN ISO 13501-1. Benefits • Offers solid support to render. • No fire stops required. • Excellent thermal performance. • Excellent acoustic insulation.