When it comes to reliable spray foam insulation in Wasilla, AK, homeowners and business owners need a team that understands the unique demands of Alaska's harsh climate. Polyseal Insulation delivers dependable insulation solutions that keep your property warm through brutal winters and comfortable during short summers. From new builds to retrofit projects, our experienced crew handles every job with precision and care.

Living in the Matanuska-Susitna Valley means dealing with long, freezing winters and dramatic temperature swings that can push any building's thermal performance to its limits. Poor insulation leads to high energy bills, drafts, moisture problems, and even structural damage over time. That is exactly why proper insulation matters so much here. Our team brings years of hands-on experience working with properties across the valley, understanding how buildings respond to extreme cold and seasonal shifts. We assess each structure individually and recommend the right insulation approach based on its specific needs, construction type, and how it is used day to day.




Choosing the right insulation partner is not a decision to take lightly, especially when your comfort, energy savings, and property's longevity depend on it. Polyseal Insulation has earned the trust of Wasilla homeowners and businesses by delivering consistent results on every project, large or small. Our team shows up on time, works clean, and treats your property with the same respect we would give our own. We walk you through every step of the process so there are no surprises, and we never cut corners to save a few minutes. When you are ready to improve your building's insulation, give us a call at (907) 745-7325 or email us at [email protected]. Let our specialists show you what a difference proper insulation can make.
A homeowner near Wasilla Lake contacted us about skyrocketing heating bills and persistent cold spots throughout their two-story residence. Our team assessed the property and recommended a combination of Closed-Cell Spray Foam in the crawl space and Attic Insulation with air sealing to stop heat loss through the roof. Within the first heating season after installation, the homeowner reported a noticeable drop in energy use and even, comfortable temperatures in every room.
We proudly provide insulation and concrete services to properties throughout the Matanuska-Susitna Valley, including: Palmer, Meadow Lakes, Knik-Fairview, Big Lake, Houston, Fishhook, Gateway, Tanaina, Lazy Mountain.
Whether you are building a new home, upgrading an older property, or need foundation and concrete solutions, Polyseal Insulation is ready to help. Reach out to our team at (907) 745-7325 or send us an email at [email protected] to discuss your project. We are here to answer your questions, evaluate your needs, and deliver the results you deserve.
Properly installed spray foam insulation can last 80 years or more, even in extreme cold climates like Wasilla.
Once fully cured, spray foam is completely safe and non-toxic for occupied spaces with children and pets.
Yes, spray foam seals attic air leaks that cause warm air to melt snow and form ice dams along roof edges.
We specialize in both new construction and retrofit insulation for older homes throughout Wasilla and the Mat-Su Valley.
Open-cell foam is lighter and more flexible for sound dampening, while closed-cell foam is denser, moisture-resistant, and offers a higher R-value per inch.