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Residential Insulation

Foam Insulation for Your Home

Closed cell spray foam for attics, crawl spaces, walls, basements, and box sills. Built-in vapor barrier, complete air sealing, and a warmer, quieter, more efficient home — from the first inch.

Residential spray foam insulation in Northeast Wisconsin
Attic Insulation
Crawl Spaces
Wall Cavities
Box Sills
Basements
Cathedral Ceilings
Bonus Rooms
Garages
Retrofit & New Build
Open & Closed Cell
Attic Insulation
Crawl Spaces
Wall Cavities
Box Sills
Basements
Cathedral Ceilings
Bonus Rooms
Garages
Retrofit & New Build
Open & Closed Cell
Attic Insulation
Crawl Spaces
Wall Cavities
Box Sills
Basements
Cathedral Ceilings
Bonus Rooms
Garages
Retrofit & New Build
Open & Closed Cell
Attic Insulation
Crawl Spaces
Wall Cavities
Box Sills
Basements
Cathedral Ceilings
Bonus Rooms
Garages
Retrofit & New Build
Open & Closed Cell

What we insulate in your home

Every spot where energy leaks or cold air creeps in — we seal it. From the rooftop down to the foundation.

Attic spray foam insulation complete in Wisconsin home

Attics

The single biggest source of energy loss in most homes. Spray foam in the attic eliminates thermal bridging and stops drafts before they start.

Residential wall spray foam application

Walls

Open or closed cell foam fills every stud cavity completely — no voids, no cold spots, no air leakage around outlets and windows.

Crawl space spray foam insulation in Wisconsin

Crawl Spaces

Closed cell foam locks out ground moisture and stops cold floors in their tracks. Turns a damp, nasty space into part of your conditioned home.

Box sill spray foam insulation in Wisconsin

Box Sills & Rim Joists

One of the worst air leaks in every home — and one of the easiest to fix. Closed cell foam here pays dividends on every heating bill.

Basement spray foam insulation in Wisconsin

Basements

Insulate interior walls and box sills to make basement space truly usable year-round — no more clammy walls or musty smells.

Cathedral ceiling closed cell spray foam insulation

Cathedral Ceilings

Hot in summer, cold in winter — vaulted and cathedral ceilings are impossible to insulate with fiberglass. Foam solves it in one pass.

The highest-performing insulation you can install.

We spec closed cell on every residential job. Higher R-value per inch, a built-in vapor and water barrier, and added structural strength — all in one application.

Closed Cell Foam

Dense · Rigid · Structural
R-7 per inch
  • Highest R-value per inch
  • Built-in vapor & water barrier
  • Adds racking strength to framing
  • Impervious to standing water
  • Perfect for cold, wet, or exposed areas
Best for: Basements, crawl spaces, box sills, exterior walls

Four steps. Done right.

From first phone call to final walk-through, Isaiah is on every job — so you know what you're getting before we spray a single drop.

01

Free On-Site Estimate

Isaiah visits, measures, and listens. You get an honest, transparent quote — no pressure, no upsells.

02

Prep & Protect

We mask surfaces, cover fixtures, and protect everything that isn't getting sprayed. Clean job site, start to finish.

03

Spray On-Ratio

Calibrated equipment, proper mix ratio, right thickness. Off-ratio foam fails — this is where most contractors cut corners. We don't.

04

Trim & Walk-Through

Foam is applied, thickness verified, job site cleaned, and we walk it with you before we pack up. Not done until you're happy.

The numbers speak for themselves

R-7

Per Inch

The highest R-value per inch of any insulation material — with a built-in vapor, water, and wind barrier that fiberglass simply can't match.

70%

Heat Loss Stopped

Just 1 inch of spray foam stops 70% of heat loss from conductance and nearly 100% of air infiltration. Two inches hits 90%.

R-9

Fiberglass at -18°F

Lab-tested R-18 fiberglass attic insulation measured only R-9 at -18°F. Convection currents inside the fibers destroy real-world performance.

3-10x

More Effective

In real-world conditions with wind, moisture, and temperature swings, spray foam outperforms fiberglass by 3 to 10 times.

5.0

Homeowners love the difference.

Real reviews from real Northeast Wisconsin homeowners

★★★★★
“Great company to work with! We had all of the batt insulation removed in our attic and 3 inches of foam sprayed. Fair pricing, friendly and prompt service, knowledgeable suggestions. HIGHLY recommend!”
CM
Chris M.
Google Review
★★★★★
“I was pleased with the thoroughness of Total Foam Specialist and how they thought outside of the box. They found other areas that would really make my cottage a 4-season home.”
LM
Lori M.
Google Review
★★★★★
“Hired them to spray my whole house and everything came out wonderfully. Prep work was awesome, clean up was great and very satisfied with customer service!”
DG
Derek G.
Google Review
★★★★★
“This guy does a great job. I'm so glad I went with spray foam over any other insulation.”
RR
Rachel R.
Angi · Verified Pro
★★★★★
“Class act, great to work with, job was done awesomely. I can tell that he did it right — you'll save money. There's no reason to call anyone else.”
TT
Tom T.
Google Review
★★★★★
“Another great job. This is the second time we hired him and would do it again. Savings on heat and cooling will more than make up the difference.”
JK
Julie K.
Google Review

Financing available through Hearth

Pre-qualify in minutes with no impact to your credit score.

Check Your Options →

Ready for a warmer, quieter, more efficient home?

Get a free, no-obligation estimate. Isaiah will personally walk your home and give you honest, transparent pricing.

Free Estimates

Always free. No pressure. No hidden fees or upsells.

Mon-Fri 8am-6pm

Call or message anytime during business hours.

Owner-Operated

Isaiah personally handles every estimate and project.

$

Flexible Payment

Credit card, ACH bank transfer, and Hearth financing.