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We are removing old x90 siding and replacing it with vinyl. Our walls are 2x8 construction. Most siding companies are telling us to add 1" foam board style insulation before putting on the siding. One company (been in business 35 yrs) says he would not recommend adding more insulation. (We are going to typar the house) He's afraid it would create such a tight home, that it wouldn't breathe properly and we could end up with moisture/vapor issues. The house was built in 1982.
I'd appreciate any info on whether we should spend the $5000 on adding the 1" insulation, or save it and put it towards new windows in a few years.
I'd appreciate any info on whether we should spend the $5000 on adding the 1" insulation, or save it and put it towards new windows in a few years.