Week 76, Day 5

Week 76, Day 5:

  • Another air pressure test following the work on the window and door seals on Tuesday.
    • The build team were hoping the replacement of the sliding door seals in particular would make a big difference (despite having taped over those seals during some previous tests wth minimal impact) but I wasn’t expecting a huge improvement.
    • The test came in at 0.9 ACH @ 50 Pa whereas Passivhaus Certification demands 0.6 or lower, so still more work to do.
  • Good progress on the 50m-long swale that will take the rainwater from the house roof and attempt to disperse it before allowing any excess to drain to the field ditch through a controlled outflow
  • More minor internal snagging items completed, including re-instating the end caps on the lower flight of stair treads
Week 76, Day 5

Week 76, Day 5

Partially completed swale to the west of the house

CC BY-SA 4.0 Week 76, Day 5 by Marsh Flatts Farm Self Build Diary is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

2 thoughts on “Week 76, Day 5

  1. As i am considering masonry wall build up to achieve Passivhaus, any wise words on what you would do different with hindsight ?

    • It’s tough to say without knowing where the air leaks are but things that weren’t done which might have helped include:
      – Parging behind the electrical cable runs (along External walls) rather than just behind socket boxes.
      – Making extra sure the Internal walls were isolated from the External walls where they joined, with a full bed of mortar or other sealant.

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