Ultra low emissivity glazing from Pilkington UK has been specified for use in a specialist housing development, showcased recently at an open day event near Richmond, Yorkshire.
Aiming to create homes with excellent energy performance, built efficiently using innovative techniques and materials, the H Jarvis project saw a pair of semi-detached houses constructed from an insulating concrete form (ICF) system and finished with a suite of advanced building envelope products, including a bespoke double glazing system from Pilkington.
Built to schedule, the resulting homes' walls achieve an overall U-value of just 0.19W/m2k, one of the lowest for a domestic property in the UK.
ICF construction systems have become increasingly popular over the past five years, primarily because they enable a speedy build process, provide design flexibility and are inherently warm insulation is effectively built-in, negating the need for cavity wall insulation.
With such an advanced material being used to form the structure of the homes, high-performance building envelope products were also vital in order to achieve a minimal U-value. As such, contractors at TEC4M, an H Jarvis company, specified Pilkington K Glass S with a pane of ultra-clear Pilkington Optifloat to create bespoke double-glazed insulating glass units that blend optimum thermal efficiency with high levels of natural light.
The houses, which are the latest in a series of nationwide eco-home developments by TEC4M, retain warmth for an average of 20 hours after heating and can maintain ambient temperatures of 19°C.
Dave Glendinning, managing director at H Jarvis, said: With ambitious energy targets and an ultra-low U-Value to reach, we required the very best construction materials to help us achieve our end goal. Pilkington K Glass S has a proven track record of performance in projects with challenging thermal requirements and has helped us blend efficiency with aesthetic appeal.
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