Spray Foam Insulation Service Cottage Grove, MN

Ham Lake, MN-based Gunner Insulation Co proudly serves Grove, MN, bringing professional spray foam insulation service cottage owners and homeowners rely on for year-round comfort and lower energy costs. If your home is drafty, damp, or running up high utility bills, our licensed team can help. Contact us today or call (763) 355-5460 to get a free estimate.


Closed-cell spray foam expands on contact to seal air gaps, create a vapor barrier, and add structural strength to walls, attics, crawl spaces, basements, and more. Gunner Insulation Co delivers spray foam insulation service cottage Grove, MN residents trust, combining decades of hands-on experience with the care that family-owned businesses are known for. Whether you have an older home or a new build, our services can be tailored to fit your property and budget.

Why Spray Foam Works So Well for Minnesota Homes

Minnesota winters are long and demanding. Air leaks through walls, attics, and rim joists drain warmth fast and drive up energy bills. Closed-cell spray foam bonds directly to surfaces, resists moisture, and can help prevent ice dams from forming along rooflines. It may also improve indoor air quality by reducing dust, pollen, and allergens entering through gaps and cracks.


Common application areas include:

  • Attic perimeters and rim joists to stop heat loss at the roofline.
  • Basement and crawl space walls to block moisture and cold air infiltration.
  • Garage walls and ceilings to maintain temperature in attached or detached spaces.
  • Exterior wall cavities in older homes where gaps have developed over time.
  • Pole barns and outbuildings where consistent temperature control matters.

What Can You Expect From Our Spray Foam Process?

Our process is straightforward and designed to cause minimal disruption. Here is what a typical project looks like:


  1. Free Estimate: We assess your property and provide a no-obligation quote before any work begins.
  2. Pre-Installation Prep: Our crew covers surfaces and prepares the workspace to protect your home.
  3. Spray Foam Application: We apply closed-cell spray foam to designated areas, sealing all gaps, seams, and cracks.
  4. Overspray Trim and Cleanup: Once cured, overspray is trimmed cleanly and the workspace is left tidy.
  5. Post-Job Walkthrough: We walk you through the finished work and answer any questions before we leave.


We are licensed, bonded, and insured in Minnesota, and our team arrives on time and communicates clearly throughout. You can also explore our full range of attic insulation options on our website. Flexible financing options and rebate assistance may be available to help make your project more affordable. Visit our Google Business Profile read reviews from customers across the Twin Cities area.

Get Your Free Spray Foam Estimate in Cottage Grove Today

Gunner Insulation Co is ready to help Grove, MN homeowners improve comfort, reduce drafts, and lower monthly energy costs. Our spray foam insulation service cottage Grove residents receive is backed by real experience and a commitment to quality on every job. Call (763) 355-5460 or request a free estimate online and a team member will get back to you promptly. Do not wait through another Minnesota winter with gaps letting the cold in.