Polyseal is a trusted insulation contractor helping homeowners and businesses across Palmer, Anchorage, the Mat-Su Valley, and the rest of Alaska stay comfortable year-round. From new builds to existing properties, we are your reliable insulation company, improving energy efficiency, lowering utility costs, and keeping out the cold. Backed by decades of combined experience and a reputation for honest service, we make the process simple from start to finish.
Call (907) 745-7325 or email [email protected] for your free quote and consultation.

For more than 20 years, Polyseal has provided insulation services for residential and commercial properties throughout Palmer, Anchorage, the Mat-Su Valley, and communities across Alaska. Known for dependable service and consistent workmanship, the company focuses on delivering insulation solutions that improve comfort, energy efficiency, and long-term property performance in Alaska’s demanding climate. Every project is handled with close attention to detail and a commitment to clear communication from start to finish.
As a family-owned company and proud member of the Spray Polyurethane Foam Alliance (SPFA), Polyseal combines hands-on field experience with trusted application methods and professional-grade equipment. Projects are completed using reliable brands such as PMC, Huntsman, Thermoseal, and HMI to help ensure durable, high-quality results across a wide range of insulation applications.
Recognized for our outstanding work across Alaska

Properties in Palmer face constant exposure to freezing temperatures, moisture, snow accumulation, and seasonal freeze-thaw cycles that can impact indoor comfort and energy efficiency throughout the year. When insulation performance is lacking, buildings often struggle with uneven temperatures, heat loss, rising utility expenses, and added strain on heating systems during the winter months.
Working throughout Palmer and surrounding Alaska communities has provided extensive experience with the insulation challenges created by local weather conditions and varied building designs. Different structures require different approaches depending on airflow, moisture levels, building layout, and overall energy-performance goals. With the right insulation strategy in place, property owners can create more comfortable indoor environments, improve efficiency, and add long-term protection against Alaska’s harsh seasonal conditions.