General

Passiv Haus scores 1.63 air test result

An air test on a recently constructed Eco House in Herefordshire by local builders GP Thomas & Son Ltd. The house is a complicated design and doesn't lend itself to high levels of air tightness, so 1.63Q50 is a very respectable result, reflecting the quality of the construction all round. The house had a prelimenary air test at membrane stage by buildingregsairtest, which set out guidelines for the achieving the impressive final result.

More Passiv Haus tests coming up soon.

Acoustic wall performance

A recent acoustic wall test on a change of use development in Abergavenny, shows that a buildingregsnoisetest specification of construction has yet again exceeded expectations. Scoring 55dB (DnT,w+Ctr) the wall was constructed using a twin stud by developers Priestley Developments Ltd.

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