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Now a basement spray foam insulation question

9 years ago

Our builder called and said that when he spoke to the insulation guy today he suggested we do spray foam on the exterior walls of the basement to help prevent moisture from getting to the insulation. It seems like a good idea to me but it will cost and an additional $1700, so I want to be sure it's worth it. We have a 2200 square foot basement and if this will help prevent a musty smell down there then I think it might be worth it. Right now our builder has a black poly vapour barrier painted on the outside of the exterior concrete walls to help prevent moisture from getting in. Any help with this decision would be very helpful!

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