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Calm_Captain_3541 t1_j6nxa5d wrote

Reply to comment by Kiernanstrat in Really want to build a house like this. Passive home stays at 70 degrees in Maine w/o furnace. by Twigglesnix

Spray foam releases more CO2 than it saves over its lifetime, is a pain to work with for subcontractors, and is also toxic and will most likely be looked at like we do asbestos now in a couple decades.

And I haven’t even mentioned how it traps moisture against your framing causing rot after only a few years.

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