Profile 22 products complete Passivhaus refurb

Profile 22 products complete Passivhaus refurb

Profile 22 has completed a refurbishment programme for Kirklees Council and its ALMO Kirklees Neighbourhood Housing (KNH) supplying 150 replacement windows, specified in-line with the principles of Passivhaus.

Formerly Richmond Flats, Harold Wilson Court on Leeds Road in Huddersfield is an 11 storey building comprising 43 one-bedroom flats. When the tower block was originally ear-marked for refurbishment the target was for affordable warmth and cheaper energy costs for its residents. Yet on receipt of funding from the Yorkshire & Humber European Regional Development Fund Programme 2007-2013 as part of the BIG Energy Upgrade programme, KNH was able to complete elements of the refurbishment in line with the principles of the Passivhaus standard.

As part of the original brief the windows needed to achieve a U-value of 1.4 W/m2k but under the guidelines of Passivhaus the windows had to get down to a reading of 0.8 W/m2k. Main contractor Clugston Construction Ltd was charged with procuring a product which met the designated U-value while also achieving a wind load capacity of 2000Pa; Profile 22 Approved Window Contractor Polar Windows was the only company to tender which said that this was possible.

It was crucial during the technical design of the window system that Profile 22 and Polar Windows liaised with the other sub-contractors and suppliers to head-off any potential issues. For example the EWI in some areas of the building was up to 250mm thick and this had to be factored in to when designing the window and planning the installation. The solution was a triple-glazed casement window reinforced using a bolster bar fitted to the outside of the frame but inside of the mullion.

In addition to the replacement windows Profile 22 curtain walling and balcony doors were also specified and installed.

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Profile 22

Profile 22 is one of the most versatile and proven window and doors systems on the market: leading the market in the PVC-U windows and doors, with over 30 years of experience in new build and refurbishment. Profile 22 has the combination of PVC-U...
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