REFURBISHMENT Selectaglaze – T
he UK’s carbon reduction commitment can only be met if the energy performance of the current building stock is massively improved via a range
of retrofit solutions. Large numbers of these buildings are traditional or listed properties with inherently poor window insulation where replacement glazing is often inappropriate for both heritage and economic reasons.
Selectaglaze’s bespoke secondary glazing offers a rapid and minimally disruptive solution. The incorporation of low emissivity glazing more than halves the heat loss through the window combination and highly efficient seals markedly improves air tightness, resulting in greater comfort levels, better usage of space and lower energy costs.
Selectaglaze has worked in conjunction with English Heritage on a programme of research including the Bolsover Test House where a secondary window glazed with Pilkington’s Spacia sealed units recorded a centre of pane U-value of 0.8.
The use of this technology in conjunction with air tightness measures and mechanical ventilation using heat recovery could allow a refurbished listed building to get close to EnerPHit standards. Secondary glazing is regarded as a reversible adaptation, thus acceptable to a range of conservation bodies including English Heritage, Historic Scotland, SPAB, The Victorian Society and The Georgian Group. In addition to improving energy performance secondary glazing will deal effectively with environmental noise problems, achieving attenuation levels in the region of 45dB; highly desirable to many inner city regeneration schemes. Security can also be an important issue for many building occupants, so products fitted with appropriate locks and strengthened glass are offered that achieve a Police preferred specification under the ‘Secured by Design’ initiative. Established since 1966 and a
Enfield Library
The sECOndary Glazing Specialist Selectaglaze, the leading secondary glazing specialist is making its Ecobuild debut.
Thermographic imagery demonstrating the effectiveness of secondary glazing within a single glazed 1960's office block. Ar1 denotes the area treated with secondary glazing, showing minimum heat loss. Ar2 demonstrates the untreated area.
Royal Warrant Holder since 2004, Selectaglaze is the UK’s leading designer, manufacturer and installer of secondary glazing systems and submits products to rigorous independent testing. The Company has worked with a very wide range of public and private clients and in many fine buildings, including those listed at Grade 1. Selectaglaze’s Chairman, Meredith Childerstone says: “We decided to exhibit at Ecobuild this year because not only do we have exciting products to offer but we also feel that this year’s event is going to be the best ever, particularly with the selection of BRE as the show’s official Research and Innovation Partner. We
will be exhibiting within the “Sustainable Design & Construction” zone which is an area where visitors can learn about the latest design ideas, future construction materials and solutions to sustainable construction challenges.”
SELECTAGLAZE – STAND NO. S830 Visitors to the stand will be able to view samples of a number of Selectaglaze’s products and see the Spacia unit. Technical advisors will be on hand to answer questions and provide advice. A range of free literature will be available. Full information is also made available on the company’s comprehensive website:
www.selectaglaze.co.uk
PUBLIC SECTOR SUSTAINABILITY • VOLUME 4 ISSUE 2 21
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