Cost to Wall Insulation (Blown-In) in Salt Lake City, UT (2026)
If you’re budgeting a wall insulation (blown-in) in Salt Lake City, most projects run $994-$4,970, 1% below the $2,500 national average. What moves that number most is usually one thing: Wall Area (Square Feet). On its own it can swing the cost by $500 - $4,000, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: The IRA 30% Energy Efficient Home Improvement Credit covers blown-in wall insulation costs up to $1,200 per year. Combine this with utility rebates to cut your net cost by 40-60%.
In the Mountain West (where Salt Lake City sits): Cold winters and high altitudes make wall insulation a high-value investment. Colorado's 30% IRA credit plus Xcel Energy rebates can offset 40-50% of total project cost for income-qualified homeowners. Dry climate reduces moisture concerns compared to coastal markets.
$994-$4,970 in Salt Lake City
1% below the national average · 0.99x cost multiplier
Homeowners in Salt Lake City typically spend $994-$4,970 on a wall insulation (blown-in), about 1% below the national average. Labor rates and contractor availability in the Mountain West region drive much of the price difference. Permit requirements and material delivery costs also play a role. See the full tier-by-tier breakdown below before requesting bids.
Cost Breakdown in Salt Lake City
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per sq ft | $1 | $2 | $4 |
| Materials | $416 | $936 | $2,080 |
| Labor | $774 | $1,742 | $3,386 |
| Permits | $0 | $0 | $208 |
| Total | $1,190-1% vs. national avg | $2,678-1% vs. national avg | $5,674+0% vs. national avg |
Budget
Blown-in cellulose, 1,000 sq ft of exterior wall, drill-and-fill method, patch holes
Mid-Range
Dense-pack cellulose or fiberglass, 2,000 sq ft, existing home retrofit with patching
Premium
Spray foam or high-performance dense-pack, full exterior envelope, older home
Material Options
Material prices below are national averages; availability in Salt Lake City may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Blown-In Cellulose (Standard) | $1.00 - $2.00 per sq ft installed | Most retrofits - the default choice for drill-and-fill wall insulationRecycled content, excellent air-sealing properties, R-3.5/inch, fire-treated, widely available |
| Blown-In Fiberglass (Standard) | $1.00 - $2.00 per sq ft installed | Humid climates where moisture management is a concernDoes not settle, moisture-resistant, R-2.2-2.7/inch, lighter than cellulose |
| Dense-Pack Cellulose | $1.50 - $2.50 per sq ft installed | Exterior walls where settling would reduce performance, high-performance retrofitsHigher density (3.5 lbs/cubic ft) virtually eliminates settling, better air sealing than standard blown-in |
| Open-Cell Spray Foam (R-3.7/inch) | $2.00 - $3.50 per sq ft installed | New construction or gut renovations where walls are already openExcellent air sealing, fills irregular cavities completely, soft and flexible |
| Closed-Cell Spray Foam (R-6.5/inch) | $3.00 - $5.00 per sq ft installed | New construction, below-grade walls, extremely cold climates needing maximum R-valueHighest R-value per inch, acts as vapor barrier, rigid structural improvement |
Other Projects in Salt Lake City
Salt Lake City Estimate
Typical Range
$994-$4,970
vs. National Average
1% below national
Cost Multiplier
0.99x
Cost Per sq ft
$1-$4
This 0.99x estimate prices Salt Lake City labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.
See national average costs →