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Find Spray foam insulation pros in Rockville

Avatar for Gunner Insulation & Roofing
Gunner Insulation & Roofing
4.8(
17
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"Ed was very professional, was able to answer my questions, recommended a solution, and was present onsite the day of the job to connect all the dots with the team completing the work. Would highly recommend for your insulation needs"
Attic Extraction
Blown sulation
Closed cell spray foam
Blower door test
Blower door testing

+2

Response time6 hrs
Response rate94%
9 neighbors recently requested a quote
Avatar for Koala Insulation of St. Paul
Koala Insulation of St. Paul
4.7(
33
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Ours was a bathroom remodel. There was a minimum for spray foam, understandably, but because of that they removed some loose insulation that we didn't have the energy to remove! Shaun in particular was super. Troy was a great sales rep and answered any questions I had right away."
Batt Rolled in Insulation
Spray Foam Insulation
Blown In Insulation
Crawl space
Spray foam

+11

Response time1 day
Response rate92%
50 neighbors recently requested a quote
Avatar for Freedom Insulation, LLC
Freedom Insulation, LLC
5.0(
8
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"We had Freedom Insulation air seal, add chutes, and increase our attic insulation. Their work drastically improved the comfort of our home, almost immediately. Great company, highly recommend!"
Response time1 day
Recommended by100%of homeowners
Spray Foam Insulation System, Inc.
3.5(
11
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"John and his team did amazing work removing the old, insufficient insulation in the attic of my nearly 120 year old home and replacing it with a much higher R-value blow-in insulation. The difference in the look of the attic is phenomenal, and I am confident it will be good for the energy efficiency of our home as well. The entire project took around 8 hours and the team even cleaned up to the point where you could hardly tell any work was done. I found dealing with John and Spray Foam Insulation Systems to be a very pleasant experience. Very honest and forthright, while offering a very fair rate for the work. I highly recommend working with them."
Response time1 day
Recommended by87%of homeowners
Avatar for M&J Insulation
M&J Insulation
5.0(
1
)

Serving Rockville, MN and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"The owners Mace and PJ are great guys and easy to work with! Got back to me very fast with any questions I needed answered. They also have fair prices. If I ever need spray foam again I will definitely be using them! Very professional!"
Duct work insulation
Duct work insulation
Duct work insulation
Duct work insulation
Duct work insulation

+3

7 neighbors recently requested a quote
Dufner Products, Inc.
4.1(
7
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

With over 20 years of experience, We take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. Give us a call today! We look forward to working with you!

15 neighbors recently requested a quote
Recommended by100%of homeowners
Wright Foam, LLC
4.7(
10
)

Serving Rockville, MN and surrounding areas

In business since 2013

Free estimates

Small jobs welcome

"Our insulation project was only needed on 1/4 of our attic where squirrels dug tunnels and nested during the winter. Brian was on time, the project was completed within the time he allowed and the clean up made the area below the attic access was cleaned up very well. I'd use Wright Foam again and give them a good recommendaton."
Response time2 days
Recommended by100%of homeowners
Showing 1-10 of 50
FAQs for spray foam insulation projects in Rockville, MN

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.