I've been custom building in an allegedly cold climate since 1989 and haven't yet seen a practical dollars-and-cents or comfort reason to add sub-slab insulation unless the basement floor had embedded hydronic heating.
Yes, it's a given if you consider yourself a cutting edge . green geek. But with the average homeowner moving every seven years or so, natural gas prices plummeting and likely to remain so, and heating systems ever tighter and more efficient, the payback period for sub-slab insulation, if you can even calculate it, must be in the decades.
Though I worship at Dr. Lstiburek's temple, I'm leaving out the "10" of his "10-20-40-60 rule." For now, at least. Am I a lone apostate?
Yes, it's a given if you consider yourself a cutting edge . green geek. But with the average homeowner moving every seven years or so, natural gas prices plummeting and likely to remain so, and heating systems ever tighter and more efficient, the payback period for sub-slab insulation, if you can even calculate it, must be in the decades.
Though I worship at Dr. Lstiburek's temple, I'm leaving out the "10" of his "10-20-40-60 rule." For now, at least. Am I a lone apostate?
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