Pat Doran Construction specialises in Passive house, Enerphit, and nZEB building and through experience and specialist training are offering real low-energy building expertise at an affordable value.
The upgrade featured external insulation to the original brickwork walls, a new externally insulated blockwork extension, a partially reconstructed roof heavily insulated with mineral wool insulation, and boasted airtightness of 0.99 air changes per hour.
Enerphit projects are more challenging as details must accommodate the existing building and find ways to sympathetically upgrade the junctions to appropriate levels. The importance of having either an experienced or extremely knowledgeable contractor and design team is important. This skillset enables cost-effective solutions for these difficult junctions. Airtightness and thermal bridging detailing are often the most challenging issues.
Just how strong is CompacFoam? It's surprisingly so – there is a Datasheet here but to get a visual – you can build on it, drive on – pretty much whatever you need to do depending on the load and density class.
This building was fully certified to the Enerphit standard and involved an extensive deep energy retrofit. Its BER rating was also improved from a G to an A2. It has been awarded “Best Residential Project” by the Irish Construction Industry Awards 2016 and “Home of the Year” at the Irish Design and Building Awards 2016. It was also featured in Passive House Plus.
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