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Default Basement wall rigid insulation/condensation problem (very long)

Hi:

I'm at my wits end.

I own a 1956 ranch house in Montreal QC. Measures 60 x 30. The
basement nor the house for that matter had much renovation definitly no
insulation added to attic or basement. The basment is virtually empty
and the concrete has been repainted with some sort of enamel looking
grey paint. The basement is about 7 foot 3 maybe 3 feet above grade.
There are 12 windows. I chaulked the outside pretty well. The outside
siding is wood and in good painted shape I just sealed here and there.
The weired part is that the space between the joists which appear to be
sitting on the foundation have actually been filled with concrete. I
suppose they laid the joists/floor atop of the foundation and poured
another layer. Can i say the joists are embedded in concrete? I just
find it interesting. I recently put up 1.5" blue rigid insulation. I
placed 3 sheets wide and left about 15 inches off the bottom so as not
insulate the whole wall. However I put insulation bewtween the joists.
Now im seeing condensation on any exposed concrete. like just under
heater vents and on windows frame edge. so i chaulked it then put some
shrinking plastic over the hole...I guess i need to chaulk the blue
stuff to the wall...

PLEASE EMAIL ME AT

I can send you pictures and give more
detail...however i hear little feet up stairs so i must bail

later

d

 
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