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Minnesota
Frost, humidity swings, radon and window wells in a Minnesota basement.
- How do you keep an egress window well working through a Minnesota winter?
Keep an egress well clear in winter: a cover that opens from inside without tools, a floor that drains to the drain tile, and a spot away from snow piles.
Updated October 10, 2026 - How does Minnesota's climate affect a finished basement?
Minnesota basements face spring snowmelt, summer condensation on cool concrete and dry winters. Footings need 42 in in the metro; keep winter humidity 30-40%.
Updated October 10, 2026 - Should I worry about radon before finishing my basement in Minnesota?
Yes. MDH says over 2 in 5 Minnesota homes have high radon. Test before and after finishing, mitigate at 4 pCi/L, and design the basement around the system.
Updated October 10, 2026 - What should I check and upgrade on my sump pump before finishing my basement?
Before finishing a basement, replace an aging sump pump, add a battery or water-powered backup and alarm, seal the lid, and route discharge outdoors.
Updated October 10, 2026