4
votes
2answers
527 views

Should I add a vapor barrier when re-siding?

I am removing the siding on my house in Montana, which was built in 1964. From inside out I have sheetrock, 4" studs with R-11 paper backed fiberglass insulation and gypsum board sheathing. I want ...
3
votes
1answer
1k views

How can I install r-max insulation on the interior side of a cinderblock wall?

I am planning on insulating the lower level of my house with R-Max in a method similar to this: I have a few question about it though: Can I use something other than Treated wood as this is ...