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bruce_yatoli

insulating underneath a balcony floor

6 years ago

I have this porch/balcony in my house




I'm trying to convert this into a room. I will have windows installed on the opening on the 2 sides and have HVAC vent redirect to this area.


The problem is: underneath the porch is currently not insulated. It is NOT part of my basement. It is OUTSIDE the house.




What do I do to insulate between the joist?

Should i use spray foam insulation like this ?? or should i use foil-backed closed cell foam combine with canned spray foam (GreatStuff)

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