Platted on White Bear Lake in 1883
Spray Foam Insulation in Mahtomedi, MN
Mahtomedi's mix of old cottages and newer homes needs different kinds of insulation work.
- Free on-site estimates
- Written quote with material, depth and R-value for each area
- Air sealing done before any insulation covers it
Old Cottages and New Homes by the Lake
Spray foam insulation in Mahtomedi covers both very old and fairly new houses. The town was platted in 1883 on the shore of White Bear Lake, and Point2Homes' summary of 2019-2023 census data shows 12.3% of homes built before 1940 alongside 10.5% from 2000-2009 and 12.6% from 2010-2019, for a median year of 1989. About 2.27 of the city's 5.75 square miles is water.
Older lake homes
Cottages and early houses near the lake often have crawl spaces, additions and uneven insulation. Closed-cell foam on crawl space walls and rim joists, dense-pack walls, and careful attic sealing are typical.
Newer homes
Newer houses here need targeted work: rim joists, bonus rooms and attic sealing.
Audits
Mahtomedi is on the Home Energy Squad list of cities with reduced-cost energy audits.
Converted cottages
Cottages turned into year-round homes often have mixed framing and insulation. We look at each part, from the original walls to additions and crawl spaces, and recommend the right method for each.
Costs
National ranges from HomeGuide: crawl space spray foam $2,000 to $4,000, rim joist foam $2,000 to $2,500, and an average attic job $1,000 to $2,700.
Lake moisture
Homes near White Bear Lake can have damp crawl spaces or basements. We check for moisture before foaming any below-grade surface, and recommend a ground cover in crawl spaces.
Call (651) 661-2833 or request an estimate. Get a free estimate
What to Know in Mahtomedi
- Housing age. 12.3% built before 1940, 10.5% in 2000-2009 and 12.6% in 2010-2019; median construction year 1989 (ACS 2019-2023 via Point2Homes).
- Lake town. Platted in 1883; 2.27 of its 5.75 square miles is water, part of White Bear Lake (Wikipedia).
- Housing count. 3,289 housing units in the 2020 census (Wikipedia).
- Audit discounts. Mahtomedi is listed for reduced-cost Home Energy Squad visits (Center for Energy and Environment).
Mahtomedi Questions
Can you insulate a crawl space under an old cottage?
Yes. Closed-cell foam on the walls and rim, with a ground cover, is the usual approach.
Do newer Mahtomedi homes need insulation work?
Some do, mostly at the rim joist and bonus rooms.
Is an energy audit worth it?
It can help prioritize, and Mahtomedi is on the reduced-cost list.
How long does crawl space foam take?
Usually a day, depending on access and size.
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