Insulation notes
What we'd tell you on the job site.
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Building science · Sep 15, 2026
What R-Value Does a House in Williams County Actually Need?
The 2021 IECC Zone 7 R-values for Williston houses, what older and boom-era homes likely have, how to check your attic, and why air sealing changes the math.
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Shops and pole barns · Sep 8, 2026
Why Pole Barns in the Bakken Sweat, and How to Stop It
Why steel roofs on Williston-area pole barns drip all winter, why a vapor barrier alone fails, and why closed-cell foam on the metal is the fix that holds.
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Cost · Sep 1, 2026
How Much Does Spray Foam Insulation Cost in Williston, ND?
What drives the price of spray foam in Williston: Zone 7 thickness, open vs closed cell, access, prep, removal, and when foam is the wrong answer.
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