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Insulating old basement

3K views 1 reply 2 participants last post by  powrus 
#1 ·
hello
I have a 1950 house, foundation is block. Beneath the sill plate is a overlapping tar paper. I want to insulate the basement, but I wasn't sure if I should seal the edge of the sill plate with caulk or Great Stuff, or if I should just stuff insulation battings along the edge. Any thoughts on this?
 
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