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About sash secondary glazing

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A tilt-in vertical sliding unit permitting the person sashes to hinge inwards on security stays to aid with cleaning. This method is particularly suited to sash windows with unequal pane measurements. Most height 3000mm. Most sash fat 20Kg. The secondary glazing has improved the insulation of our home. It’s way https://secondaryglazing91008.blogvivi.com/21357535/sash-windows-an-overview

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