I have started construction on a 38'x20' passive solar greenhouse. 2x6 framed walls on south side with many windows. Struggling a bit on:
1) Best insulation type to go between studs.
2) If I should have a vapour barrier, or let the wall breath (high humidity inside). Location and type of vapour barrier.
3) best rigid insulation type to create a thermal break / if that rigid insulation should be breathable.
Trying to avoid moisture condensing inside the walls. We live in NW Alberta - will attempt to use the greenhouse early March to late October. Have had -30c in early March.
Thanks for any opinions offered.