Vapor barriers block water vapor, while moisture barriers block liquid water. Vapor barriers are installed on the warm side of the insulation, whereas moisture barriers are applied on exterior walls.
Other changes include reducing building permit application fees for certain types of housing, requiring separate inspections for a building's framing and insulation and vapour barrier ...
If you are replacing your attic insulation, spray foam can help create an excellent vapour barrier when installed properly. It is more expensive, though. Be aware that bathroom and kitchen ...
The main concern is that sheep wool insulation typically doesn't have a vapor barrier, and you may have to pay for additional installation which can up the total cost by $0.30 to $0.50 per square foot ...