A new Advice Sheet on Airtightness Critical Locations added

I haven’t done an advice sheet in a while and this problem has occurred on site recently so I’ve put together this sheet on ‘often forgotten’ and critical airtightness locations:

Click HERE to download Advice Sheet #9 – Airtightness Critical Locations

I’ve added this sheet to the widgets on the right hand side and I’ll probably be writing a few more ‘critical locations’ in due course.

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