Cellulose insulation improves airtightness by 30% — PYC Systems

In October 2015, PYC Systems carried out the first of several air tests at the Hilltop project in Richard’s Castle on the Hertfordshire— Shropshire border, Architype’s first small scale residential passive house project. The first blower door test result was 0.59 air changes per hour (ACH), prior to insulating the envelope, which everyone was keen to improve on as it only marginally passed the passive house standard and was prior to fitting services, which are known to increase the risk of air leaks. 

UK Centre for Moisture in Buildings launched at UCL

An initiative aiming to increase knowledge and understanding of the issues moisture can cause in buildings old and new, was launched in London on 26 May. The UK Centre for Moisture in Buildings (UKCMB), backed by University College London and other academic institutions plus the BRE, plans an ambitious programme of research, public engagement, policy work and training to improve moisture safety.

IGBC launches Ireland’s sustainable homes label

The Irish Green Building Council has launched a voluntary quality labelling scheme for new residential development in Dublin. The label, called the Home Performance Index (HPI), goes well beyond the existing building energy rating (BER) system to look at a wider range of issues that impact the quality and sustainability of new residential construction.