
On Black Otter Lake
Spray Foam Insulation in Hortonville, WI
A village dating to 1849, with older homes near the lake and newer ones on the edges.
- Free on-site estimates
- Every area quoted in writing with its R-value
- Wiring, moisture and venting checked before we insulate
Older Homes by the Lake
Spray foam insulation in Hortonville covers a village with a long history. Alonzo Horton dammed Black Otter Creek and platted the community in 1849, and it incorporated in 1894. The population was 3,028 in 2020, up about 11.7% from 2010, so the village mixes older homes near the center with newer ones on the edges.
Older homes
Houses near the lake and downtown often have thin attics, open rims and empty walls. We seal and fill the attic, foam the rim and dense-pack walls where wiring allows.
Near the water
Black Otter Lake, 75 acres, drains to the Wolf River. Homes near the lake can have damper basements, so we check before insulating below grade.
Costs
Attic jobs run $1,000 to $2,700 and dense-pack walls $1.60 to $4.20 per square foot by HomeGuide's figures. Written estimates after a visit.
Lake homes and newer houses
Homes near Black Otter Lake and the older village center often need the full treatment: attic sealing and fill, rim joist foam and dense-pack walls. Houses on the newer edges of the village tend to need only the rim and a bonus room. In both cases we check the basement for dampness first, especially close to the lake. If you use a lake building only part of the year, tell us; insulation for a seasonal building is planned differently from a year-round home. Every area gets its own line on the written estimate.
Hortonville at a Glance
- Black Otter Lake. Black Otter Lake covers 75 acres and drains through Black Otter Creek to the Wolf River.
- Founded by Alonzo Horton. Horton platted the community in 1849 and later developed San Diego; Hortonville incorporated August 11, 1894.
- Steady growth. The population was 2,357 in 2000, 2,711 in 2010 and 3,028 in 2020.
- Near the Wolf River. The village sits about 2 miles south of the Wolf River, with Appleton International Airport 10 miles southeast.

Hortonville Questions
Can you insulate an old house near Black Otter Lake?
Yes. We check moisture and wiring first, then seal and insulate.
Do you travel to Hortonville?
Yes. It is part of our regular Fox Cities area.
What does a newer Hortonville home usually need?
Rim joist foam and attention to bonus rooms.
Can you foam a lake cottage or seasonal building?
Yes. Tell us how you use it and we plan to match.
Free Estimates in Hortonville, WI
Free on-site estimates in Hortonville.
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