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20 Years
experience
Your Trusted Insulation Contractors in Nashwauk, MN
True North Insulation has been serving Northeastern Minnesota since 2006, delivering high-performance insulation solutions with over two decades of combined industry expertise. Specializing in closed-cell spray foam, blown-in fiberglass, and air sealing, we address both residential and commercial needs while prioritizing energy efficiency and structural integrity. Our locally owned and insured operations focus on eliminating drafts, reducing energy costs, and preventing mold growth through precision installation and removal services.

We combine technical proficiency with personalized consultations to address unique insulation challenges, particularly in older structures requiring specialized care. Backed by proven results like enhanced thermal performance and soundproofing, we maintain a commitment to quality that withstands the test of time while adhering to strict safety protocols during every project.
Services
Spray Foam Insulation Blown-In Fiberglass Air Sealing Insulation Removal Blower Door Testing
Details
  • Year established: 2006
Highlights and features
  • We have over 20 years of experience in insulation solutions
  • Locally owned and operated since 2006
  • Insured professionals with specialized equipment
  • We offer multiple insulation types for diverse needs
  • Our work prevents mold growth and structural damage
Services
Spray Polyurethane Foam
Our closed-cell spray foam insulation creates seamless air barriers while adding structural strength to buildings. This high-performance solution prevents moisture intrusion, reduces energy costs by up to 50%, and eliminates drafts in both new construction and retrofit projects. Installed by certified technicians, this insulation type provides superior thermal performance and soundproofing for residential and commercial properties.
Blown-In Fiberglass
Blown-in fiberglass insulation offers an efficient, eco-friendly solution for attic insulation and retrofit applications. Our professional installation process minimizes disruption while achieving optimal R-values for improved energy efficiency. This fire-resistant, non-corrosive material provides excellent thermal and acoustic performance for both residential and commercial buildings.
Air Sealing
Our comprehensive air sealing services identify and eliminate energy-wasting air leaks in building envelopes. Using advanced diagnostic tools, we locate infiltration points and apply specialized sealing techniques to improve indoor comfort and reduce heating/cooling costs. This critical step enhances insulation effectiveness and prevents moisture-related issues in older structures.
Insulation Removal
We safely remove and replace outdated, damaged, or contaminated insulation materials from residential and commercial properties. Our technicians handle hazardous materials properly while preparing spaces for modern insulation upgrades. This service improves indoor air quality, eliminates pest infestations, and creates optimal conditions for new insulation installation.
Blower Door Testing
Our blower door testing service identifies air leakage points and measures building envelope efficiency. This diagnostic process helps prioritize energy-saving improvements while ensuring proper ventilation and combustion safety. The data-driven approach enables precise insulation and air sealing recommendations tailored to each property's unique characteristics.
People
John Martin
Owner
John Martin leads True North Insulation with over 20 years of industry experience in Northeastern Minnesota. He specializes in advanced insulation techniques and building science principles while maintaining hands-on involvement in project execution. His expertise ensures proper material selection and installation methods that maximize energy efficiency and structural integrity for residential and commercial clients.
Questions
What insulation types do you install?
We install closed-cell spray polyurethane foam, blown-in fiberglass, and cellulose insulation for residential and commercial properties.
Do you serve commercial properties?
Yes, we provide insulation solutions for both residential homes and commercial buildings throughout Northeastern Minnesota.
Can you remove old insulation?
We offer professional insulation removal services to eliminate mold-contaminated or ineffective materials before installing new systems.
Are you locally owned?
True North Insulation has been locally owned and operated in Nashwauk, MN since 2006.
What areas do you service?
We serve most communities in Northeastern Minnesota including Nashwauk, Hibbing, Grand Rapids, and surrounding areas.
How do I schedule a consultation?
Contact us at 218-885-1885 or through our website to arrange a free in-home consultation for insulation needs.