Rebuilt after 1918, on the St. Louis River
Spray Foam Insulation in Cloquet, MN
A mill town whose houses mostly date from after the great fire.
- Free on-site estimates
- Written quote showing material, thickness and R-value for each area
- Attics, rim joists and basements checked for moisture before anything is covered
A Town Rebuilt After the Fire
Spray foam insulation in Cloquet works on a housing stock shaped by one event. The 1918 Cloquet fire destroyed much of the town and killed 453 people, so most of what stands today went up after it. Many of those 1920s through 1950s houses have small attics, thin old insulation and rim joists with no air sealing at all. The 2020 census counted 5,399 housing units in Cloquet and 12,568 residents, with 5.5 percent vacancy.
Colder than the lake
Cloquet sits about 20 miles southwest of Duluth along the St. Louis River, away from the lake's moderating effect. Its climate summary lists a record low of -45F and about 71 inches of snow a year, and Minnesota's energy rule sets Cloquet's winter design temperature at -20F. Attics that leak warm air here grow ice dams.
Mill-town houses
Cloquet began as three sawmill settlements and grew around wood products. Older houses near the river and downtown tend to be modest one- and two-story homes. Attic sealing, blown-in insulation and rim joist foam are usually the most cost-effective work.
Newer areas
Cloquet's area is large, about 36 square miles, and includes newer subdivisions and rural lots with garages and shops. Foam on steel buildings and in bonus rooms is common there.
Code
Carlton County is in Climate Zone 7 and frost Zone I, with 5-foot footings and R-49 ceilings in the 2012 IECC table. Get a free estimate
What to Know in Cloquet
- 1918 fire. The 1918 Cloquet fire destroyed much of the town and killed 453 people, so most of the current housing dates from after it.
- Housing. The 2020 census counted 5,399 housing units in Cloquet, 5.5% vacant, and 12,568 residents.
- Climate. Cloquet's climate summary lists a record low of -45F and about 71.3 inches of snow per year; Minnesota Rule 1322.0403 lists a -20F winter design temperature.
- Code basics. Carlton County is in Climate Zone 7 and frost Zone I, with a 5-foot minimum footing depth.
Cloquet Questions
Is Cloquet colder than Duluth?
Cloquet is inland, away from Lake Superior, and its record low of -45F is colder than Duluth's. Both have a -20F design temperature in Minnesota's energy rule.
What is typical for a 1920s-1950s Cloquet house?
Attic air sealing and blown-in insulation, closed-cell foam on the rim joist and sometimes dense-packed walls.
Do you insulate pole buildings around Cloquet?
Yes. Closed-cell foam stops condensation on steel.
Do you work on the Fond du Lac side of Cloquet?
Yes, we work throughout the Cloquet area.
Free Estimates in Cloquet, MN
From downtown Cloquet to rural lots, estimates are free.
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