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Slenderpane Ltd has installed 450 slim sash windows using Edgetech’s Super Spacer® Heritage for award winning developer, Linden Homes’ refurbishment of Ashlar Court into luxury apartments in Hammersmith.

With apartment prices starting at £750,000, Linden Homes demanded traditional timber windows in keeping with the 1930s Art Deco Grade II listed building that would also deliver better energy efficiency. Using Super Spacer Heritage from Edgetech UK, a Quanex company, Slenderpane was able to replicate the aesthetics of the existing single pane windows with new slim double glazed timber sash windows from sister company Herald Joinery.

The development has won high praise and has been commended in The Sunday Times British Home Awards 2014 and What House? Awards 2014.

David Weston, Managing Director of Slenderpane explains: “By combining bespoke joinery with Super Spacer Heritage slim insulated glass units we were able to closely match the original windows. This helped us to beat the competition offering standard window designs.

“Customers like the aesthetics of what we do and a big part of that is down to the slim design, low sightlines and neutral appearance we can achieve using Super Spacer Heritage. Since completing Ashlar Court we have won a second contract with Linden Homes for 80 slim double glazed sash windows for new housing in the regeneration of Battersea Police Station.”

There’s growing demand from architects and developers to improve thermal efficiency of windows in conservation refurbishment. David adds: “With Super Spacer Heritage we can offer glass units down to 11mm wide. We have used it since Slenderpane started making slim units in 2010.”

Edgetech has now launched a white version of Super Spacer Heritage to create the most authentic appearance possible for period style windows.

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