Division 01 · Primary
Insulation services for Minnesota winters
Foam-Tek insulates attics, walls, garages, and rim joists across the northwest Twin Cities metro and the St. Cloud corridor. Every job starts with a free assessment of where your building actually loses energy. Then we spec the right material for the assembly: spray foam, blown-in, batts, or dense-pack. Not the one we happen to sell.
Flagship service
Spray Foam
Closed-cell and open-cell foam that seals air leaks and insulates in a single pass.
Everything about spray foam →
Insulation
Attic
New insulation and top-ups that stop heat loss through the biggest escape route in the house.
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Insulation
Blown-In
Loose-fill fiberglass or cellulose blown to even, full-depth coverage in attics and walls.
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Insulation
Cellulose
Recycled-fiber insulation installed loose-fill in attics or dense-packed into walls.
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Insulation
Dense-Pack
High-density fill for empty walls in older homes, installed through small access points.
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Insulation
Fiberglass
Properly fitted batts for walls, floors, and new construction that meet Minnesota energy code.
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Insulation
Garage
Foam or fiberglass for attached garages, detached shops, third stalls, and pole buildings.
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Insulation
Rebates
How Minnesota utility rebates and energy incentives can offset part of an insulation project.
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Which insulation goes where?
| Assembly | Our usual spec | Why |
|---|---|---|
| Rim joists & basements | Closed-cell spray foam | Air seal, moisture barrier, and rigidity in one pass |
| Open attics | Blown-in over air sealing | Even coverage and easy R-value top-ups |
| Existing walls | Dense-pack cellulose | Fills cavities without opening drywall |
| New construction walls | Fiberglass batts or foam | Meets code; foam upgrades performance |
| Garages & shops | Spray foam or batts | Depends on heating plans and use |
Our work
What the thermal camera sees
We scan before and after with our own thermal camera. The cold spots on the left are what your furnace has been fighting. These are our jobs across the northwest metro.
The camera finds what the eye cannot: 35.3°F in this ceiling corner against 57.2°F beside it. That gap is the heat loss we seal. 
Kitchen wall losing heat, found with the thermal camera 
Heat escaping along a garage roof line 
Basement laundry walls sealed with spray foam
Get a Free Insulation Assessment
Tell us what's drafty or what's sinking. We measure it and hand you a firm number. No cost, no pressure.