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Energy efficiency solution
Air Sealing Services in Kalispell & Flathead Valley
Air sealing is one of the most effective ways to improve energy efficiency and comfort in your home or building. By sealing gaps, cracks, and air leaks, we help reduce drafts, lower energy costs, and create a more consistent indoor environment.
Air sealing is often the most important step before adding insulation.
Why air sealing is important
🌬️ Eliminates Drafts
Stops unwanted air leaks that cause cold spots and discomfort.
💰 Lowers Energy Costs
Reduces heating and cooling loss, saving money over time.
🌡️ Improves Comfort
Maintains more consistent indoor temperatures year-round.
🏠 Increases Efficiency
Helps insulation systems perform at their full potential.
Where air sealing is most effective
🏠 Attics
Sealing penetrations and gaps prevents heat loss through the roof.
🧱 Rim Joists
A major source of air leakage in basements and crawl spaces.
🚪 Windows & Doors
Reduces drafts around openings and improves comfort.
🏗️ Crawl Spaces
Helps control moisture and improve overall home performance.
Our approach to air sealing
We identify key areas where air is escaping and use the right materials and techniques to seal them properly. In many cases, closed cell spray foam is used to create an airtight seal and improve long-term performance.
Why Builders and Homeowners choose NextGen Spray Foam Insulation
Local Experience
We understand Montana conditions and install insulation built to perform year-round.
Honest Recommendations
Our team focuses on clean installs, proper coverage, and long-term performance.
Quality Installation
Our team focuses on clean installs, proper coverage, and long-term performance.
Fast Turnaround
We show up on time and complete projects efficiently without cutting corners.
Spray Foam Services in Kalispell & Flathead Valley
We provide air sealing services for homes, shops, and commercial buildings across Kalispell, Whitefish, Columbia Falls, Polson, and surrounding areas.
- Kalispell
- Whitefish
- Columbia Falls
- Bigfork
- Polson
- Missoula
- Eureka
- Libby
- Lakeside
- Thompson Falls
- Marion
Ready to eliminate drafts and improve comfort?
We’ll identify air leaks and provide a clear, effective solution to improve your home’s performance.