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Just blowing insulation in a the wall here without informing building standards it a bit of a no-no, you can just do that in Canada?
Here in Norn Ire even roofspace/loft insulation has to be inspected and signed off.
JWestland-
Just blowing insulation in a the wall here without informing building standards it a bit of a no-no, you can just do that in Canada?
Houses typically aren't of (mostly) brick construction. Much more like US stuff, timber frames sitting on top of a brick / concrete basement, lots of drywall etc. When you do external wall insulation it's (I'm mostly guessing here mind) like sticking stuff in a partition wall in the UK; if you want to take the insulation out, you can, by pulling the drywall down and taking it out.
Or you just knock the house down and start again.
Howard
Yes you want air circulation in the loft or mould happens. Just keep the loft and living space cleanly divided.
Sorry but our different terminology confuses me sometimes. Your building practices are so different from Canadian it is amazing. Maybe just because so many of the homes on the forum are very old?