Catalog excerpts
Tapered Roofing System The HARDROCK® Multi-Fix (DD) Tapered Roofing range is engineered to meet the demand fortapered solutions for existing and new flat roof constructions. The system reduces risk of ponding and standing water and is backed by a complete design to delivery service. Tapered HARDROCK® Multi-Fix (DD) Roofing boards bonded to the vapour control layer with hot bitumen or adhesive or mechanically fastened through the vapour control layer to the deck. Thermal performance - U-values It is a Building Regulation requirement that a tapered roof must be calculated to include all areas of the roof including gutters etc. The roof must be proven to meet the required effective or minimum U-value. Unlike other elements such as walls, floors and non-tapered elements you cannot take a single point U-value. BRE AA3 (conventions for U-values) requires tapered insulation to be calculated as set out in accordance with Annex C of BS EN ISO 6946. A thermal calculation analysis is available on request. Fixing and marking of boards Tapered boards are delivered to site individually marked with a positional code corresponding to the detailed layout drawing provided. The board layout should strictly follow that shown on the drawing, and to avoid error it is advisable to place each board in position temporarily priorto attachment. HARDROCK® Multi-Fix (DD) Tapered Roofing Boards have CE marking in accordance with BS EN 13162: 2012, 'Thermal Insulation products for buildings - factory made mineral wool (MW) products Tapered Roofing Service ■ Site surveys & Quotations ■ Preparation of bespoke & considered design solutions to any flat roof ■ Roof layout drawings required for quotation ■ Thermal calculations provided with each project ■ Precision manufacture and supply to order ■ Site advisory service prior to and during installation ■ Reduces risk of ponding Rain noise solutions For support, advice and design assistance with your projects please contact ROCKWOOL technical
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