My crawspace has zero insulation rite now. There is not much room down there some places the grounds only 12 inches from ground to floor joists. I was thinking of putting fiberglass batt insulation between the joists and 1/2 iso onthe bottom of the joist. also adding a vapor barrier on the ground. should my fiberglass insulation have a vapor barior facing up to the floor? Really have no idea how to insulate the space. All i know is my oil bill is crazy.
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