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Visited a custom build site in Asheville last week and saw them using ICF blocks for the foundation
The contractor told me the R-value was nearly 50 compared to standard poured concrete, so I'm wondering has anyone else here made the switch to insulated concrete forms for their own builds?
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king.wyatt4mo ago
Why would you want a house that basically suffocates from moisture issues?
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mila_flores84mo ago
Used ICF for my basement last year in western NC. Best decision I made, the place stays at a steady temp even when the power goes out. Just make sure your crew knows what they're doing with the forms or you'll fight with them all week.
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the_fiona4mo ago
Wait, your place stays a steady temp even when the power goes out for real? That's wild, I didn't think ICF was that good at holding temperature without any HVAC running. I always figured it helped with insulation but not like full on thermal battery mode lol. How long did it stay comfortable for you when the power was out - like hours or days? I'm honestly kind of shocked that's even possible with just concrete and foam.
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