Spray foam started gaining popularity 20 years ago in the US as the ultimate answer to fiberglass insulation. We were one of the first contractors to promote it since it was better than the alternatives at the time. While it does provide a better air seal than fiberglass, it still has to be installed properly. Most of the time, it is not installed to full fill the wall, so you are losing some insulation R-Value.
Spray Foam Inspection – You May Not be Getting Your Money’s Worth
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