Green Homes News

Restricted to 1″ XPS in 7A climate – 2015 concrete basement insulation

Green Homes 2 - Mon, 2025-12-01 16:11
I have a question about basement insulation. Zone 7A in Calgary, Alberta, Canada.Winter temperatures can swing from -40F to 40F in a day. Winter temperatures can be a -40F to -20F…
Categories: Green Homes

Attic insulation on the floor using foam board

Green Homes 2 - Mon, 2025-12-01 15:09
I'm insulating my attic floor in climate zone 4A.  Attic is vented with soffit and ridge.  I have 2x6 floor joists.  I was going to lay r-23 rockwool batts in…
Categories: Green Homes

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