
Farmland and new subdivisions
Spray Foam Insulation in Lake Elmo, MN
Lake Elmo's median home was built in 2004. Basements, garages and outbuildings keep us busy here.
- Free on-site estimates
- Written quote with material, depth and R-value for each area
- Air sealing done before any insulation covers it
New Homes on Old Farmland
Spray foam insulation in Lake Elmo is shaped by how new most of the housing is. Point2Homes' summary of 2019-2023 census data gives a median construction year of 2004, with 32.2% of homes built in 2010-2019 and 9.9% since 2020. Much of the land inside the city limits is still farmland, and the city began with a single farm in 1852.
Finishing new basements
New homes here often come with unfinished lower levels. Before framing, closed-cell foam on the rim joist and foundation walls keeps the finished space warm and dry.
Garages, shops and barns
Larger lots mean big garages and outbuildings. Closed-cell foam on walls and ceilings is a common choice for a shop or barn that will be heated.
Older farmhouses
The few older farmhouses here need the usual work for old houses: walls, attic sealing and rim joists.
Moisture in new basements
New concrete releases moisture as it cures. We check the walls before foaming and recommend waiting if the concrete is still damp.
Costs
National ranges: closed-cell foam $3.00 to $5.00 per square foot and rim joist foam $2,000 to $2,500 (HomeGuide). A new basement or shop is priced by measured area.
Rural buildings
Minnesota's State Building Code generally does not apply to agricultural buildings, but a heated shop used for other purposes may need a permit. Check with the city before converting a barn.
Timing
New-construction owners often call us between closing and finishing. Scheduling foam before the framing crew avoids delays.
Call (651) 661-2833 to get started. Get a free estimate
What to Know in Lake Elmo
- Housing age. Median construction year 2004; 32.2% built 2010-2019 and 9.9% since 2020 (ACS 2019-2023 via Point2Homes).
- Farmland. Much of the city is still farmland; it began with one farm in 1852, and the 1875 barn was restored as a house in 1998 (Wikipedia).
- Housing count. 4,324 housing units in the 2020 census, 7.4% vacant (Wikipedia).
- Code zone. Washington County is in Climate Zone 6 of Minnesota's energy code (efficientwindows.org summary).

Lake Elmo Questions
Should I foam my new basement before finishing?
Yes, at least the rim joist, and preferably the walls too.
Can you insulate a pole barn or shop?
Yes. Closed-cell foam on walls and roof is common for heated outbuildings.
Do new homes need more attic insulation?
Usually not much, but sealing around fixtures and the hatch is often worth it.
How soon after building can I foam my basement?
Once the concrete is dry enough. We check it during the visit.
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