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Top-Rated Spray foam insulation pros in Casco - Updated Nov 2026

Avatar for RetroFoam of Michigan Inc.
RetroFoam of Michigan Inc.
4.9(
289
)

Serving Casco, MI and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Warranties offered

"We have used Retrofoam twice on two houses in the past five years. They were very professional and timely. They have come out a few times since the one house was insulated to check for gaps or leaks. And, explained or added a little foam. Very good company, and I'd recommend them for spray foam insulation in Michigan."
Spray Foam Insulation
Installing RetroFoam with Siding
Installing RetroFoam with Brick Exterior
RetroFoam Insulation
Response time20 mins
Response rate100%
138 neighbors recently requested a quote
Avatar for USA Insulation of Detroit
USA Insulation of Detroit
4.2(
124
)

Serving Casco, MI and surrounding areas

Approved

In business since 1977

Free estimates

Warranties offered

"Got into the small attic access and provided blown insulation. Sprayed foamed basement joists and crawl space to satisfaction."
USA Insulation Premium Foam
Air Sealing
Blown-In Insulation
Response time1 day
115 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for DANA Insulation
DANA Insulation
4.3(
49
)
Insulation - Install or Upgrade

Serving Casco, MI and surrounding areas

Approved

In business since 1977

Free estimates

Warranties offered

"The team at Dana Insulation is top notch. From Tom in sales to the installation team everyone was courteous and professional. They put down protective plastic on the floors so as not to get any dirt or insulation on the floors. Did a great job cleaning up after the job as well. Thank you very much Dana Insulation!!!! I would definitely recommend this company!!!"
12 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for BlownInsulationMI.Com, LLC
BlownInsulationMI.Com, LLC
4.5(
253
)

Serving Casco, MI and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"They did a nice job,they even filled in a hole where my air conditioning unit was coming into the house it was done with foam, now that's paying attention to detail. Very pleased"
almost finished with attic
Blown Insulation finished attic
Response time1 day
40 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Pro Home Improvement, Inc.
Pro Home Improvement, Inc.
3.5(
616
)

Serving Casco, MI and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Warranties offered

"The installers, Jason and his associate ( I didnâ t get his name), were very polite, professional, and answered all our questions They even found an issue with our bathroom fan and fixed it. We significantly raised our R value and qualified for a rebate from DTE. George, the owner was also good to deal with, explaining things well. The only minor issue was not having a definite time of installation but a vague â early afternoon â . But I would definitely recommend this company to take care of your insulation needs."
Closed Cell Spray Foam
Check out our great Spray Foam
Check out our great Spray Foam
Make-A-Wish
Eric and Tim ribbon cutting

+14

Response time3 hrs
136 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Dewitt Home Services
Dewitt Home Services
3.6(
22
)

Serving Casco, MI and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

DeWitt Home Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.\n

Siding and Roof Installed by DeWitt
Siding and Roofing Installed by DeWitt
Siding Installed by DeWitt
Roofing and Siding Installed by DeWitt
Roofing Before and After

+2

Response time5 hrs
Response rate99%
34 neighbors recently requested a quote
Avatar for Insulation Plus, LLC
Insulation Plus, LLC
5.0(
5
)

Serving Casco, MI and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"Brian was very knowledgeable and honest. He told me I didn't need insulation in my attics. I asked if next year he would come over and infrared my walls. Also,it's a family owned business. I would definitely recommend him."
Closed cell spray foam
Crawl Space
Pole Barn
Attic/Cellulose R-38
Response time10 hrs
Recommended by100%of homeowners
Avatar for Luca Exteriors
Luca Exteriors
4.8(
50
)
Insulation - Install or Upgrade

Serving Casco, MI and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"Extreme Exteriors did a fantastic job from start to finish. I reached out to this company to get a quote for the repair / replacement of my mother roof. Shortly after reaching out I received a call back from Jacob who is a real pleasure to work with. Jacob setup a convenient day and time for us to meet to take a look at the roof. Jacob being the professional he is took pictures of the shingles lifting, missing and moss growing in the valleys to share with me. After Jacob performed his roof inspection we sat down to discuss the process, materials and pricing for the job. Extreme Exteriors was able to come in approximately $300 less then comparable competitors. For insurance reasons I had a very aggressive schedule and required the roof installed ASAP - Jacob was able to coordinate with his crews along with pulling all the necessary permits needed to perform the job in the time frame I required it. This company does not mess around - the day after the shingles were delivered a crew showed up early at the house. Extreme Exteriors got the work completed in about 5 hours keeping the work area clean and they performed a Magnet sweep to pickup any stray nails. This company did a complete tear-off, installed GAF Snow Country Ridge Vent System, Front and Back Edge Vents, installed new drip edge and 6' of ice & water shield. They also install new flashing around the chimney. I would definitely use this company again for any of my future roofing needs and would highly recommend them to my friends and family."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+30

Recommended by97%of homeowners
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FAQs for spray foam insulation projects in Casco, MI

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.