The end of this week saw the house wrapped in a breather membrane and work on the plumbing and cladding begin. Nick's been working from Girton so he's around for questions and to keep an eye on things. Our shopping quest continues.
Regal have been round the whole building with an expanding foam gun - getting in all the gaps, and Nick and I spent a few hours today doing the same. We have specified an airtightness target of 3 air changes per hour. To give that some perspective building regs set the standard for domestic dwellings at maximum of 10 and best practice at 5 so we want to better that but will be lucky to get to Passivhaus Standards which require less than 0.6. Ian will be fitting an airtight membrane internally which should be taped and sealed everywhere but after scrabbling around in the roof today trying to get at some of the fiddly bits in the central section and around the oriel windows and balcony I don't envy him the job!
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