i=0;i These sills are designed to work with external insulation and give the appearance of a traditional stone or concrete sill. Our oversill has an excellent insulation value, this improves the overall insulation value of a building by reducing the cold bridging at the point where the sill and window meet. A Passive sills oversill is a perfect addition to any external insulation project give you a traditional appearance it also has far superior acoustic properties than an aluminium sill during heavy rain and hailstone. Our oversills are available in our hybrid finish, which has a white paint primer coat and is ready to be painted any colour you choose. ✓ Complies with all building regulations ✓ Best for thermal efficiency ✓ Super lightweight ✓ Quick and easy to install ✓ Lower carbon footprint ✓ Best for manual handling ✓ Competitive cost when installed ✓ 10 year warranty Watch oversills being installed – these videos explain the installation process of our passive oversill so you can do it yourself at home. Contact us if you require more details or view more videos on our Installation Videos page.Oversills
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Covering a broken window sill with an insulated oversill
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11003-TB01-Passive-Oversill-Psi-2019_1125-Rev-A
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