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A Sto external wall insulation system has maximised thermal efficiency for more than 240 homes within a new residential development in Bracknell.
Designed by Building Design Group (BDG) and constructed by Vascroft Contractors, The Grand Exchange comprises 242 apartments divided between two angular blocks. Working with authorised installer Stoneguard, Sto suppllied its StoTherm Mineral K insulation system, achieving a U-value of 0.12W/m2K for the wall structure and exceeding Building regulation requirements.
The BBA-certified system achieves a reaction to fire of A2-s 1, d0 in accordance with BS EN 13501-1 and uses mineral fibre insulation boards to optimise thermal efficiency and fire protection. The boards were fixed to the substrate using StoLevell Uni adhesive followed by a reinforcing coat. Sto-Glass Fibre Mesh was then embedded into the reinforcing coat while wet providing the system with crack resistance.
The system was finished with StoSilco K2.0 silicone resin render to provide a protection from harsh weather, and StoColor Silco G silicone resin facade paint to protect the building from algae.
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