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Top-Rated Insulation pros in Girdwood - Updated Nov 2026

Polar North Insulation, LLC
4.6(
30
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Girdwood, AK and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"They came in and gave me a quote and went to work i was pleased with all the work that they did. I would recommend them to anyone who needs they're house insulated."
Inside metal building
Inside metal building
Inside metal building
Steel building project
Fire retardant ground cover

+15

Response time1 day
Recommended by100%of homeowners
Avatar for Turnagain Spray Foam
Turnagain Spray Foam
5.0(
8
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Girdwood, AK and surrounding areas

In business since 2024

Free estimates

Small jobs welcome

"Great locally owned company. Quick to come take a look at what I needed done and started on the job right away. Prices are very competitive. Really professional and clean. Would highly recommend and will be using them again."
Wasilla Spray Foam Shop
Wasilla Spray Foam Shop
Response time1 day
Response rate100%
Avatar for HENRY'S SERVICES INC
HENRY'S SERVICES INC
4.2(
12
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Girdwood, AK and surrounding areas

In business since 1962

Free estimates

Emergency services offered

"Upstairs bath water leak with about 400 gallons of water ran into kitchen below. Entire kitchen removed down to studs. They responded within 45 minutes of calling them and had kitchen gutted within 2 hours. Dehumidifiers were placed in all areas affected. Reconstruction went pretty smoothly. We had old Sheetrock with asbestos joint compound that needed removal, hazmat team brought in. New Sheetrock, cabinets, tile and paint. There are always issues with obtaining materials and coordination when you are building. Henry's did a good job of keeping us updated and responding to immediate concerns. Workman were reliable and showed pride in workmanship. We are pleased with the results.
"
Recommended by75%of homeowners
Showing 1-10 of 12
Insulation FAQs, answered by experts

A vapor barrier can last over 20 years, but they are vulnerable to pests, flooding, and other natural disasters. If your home weathers a storm or is treated for any pest infestation, make sure to have a drywall pro come check the integrity of your vapor barrier. It’s also important to have a pro install a vapor barrier since improper installation can lead to tears or leaks in the barrier that shorten its lifespan.

The primary reason that insulation saves you money over time is that it reduces your energy bills by making your home more energy efficient. A crucial part of an insulation system is a properly installed vapor barrier. Local building codes dictate whether your insulation requires a vapor barrier based on the type installed. While some high-quality wool insulation may not technically need a vapor barrier, most municipalities still require one to meet code.

Installing sheets of plywood over attic insulation is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air—so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home. 

It’s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you’ll need to install a subfloor before putting plywood over insulation in your attic.

Garage doors that are not insulated can be a major source of heat loss. That’s why it’s essential to winterize your garage door with insulation and weather stripping to prevent heat loss and keep it warm more easily. Consult a local garage door installer if you need help determining the cause of your garage losing heat.

Yes, insulated vinyl siding increases the R-value of your home. Depending on the quality and brand of the insulated vinyl, you can get an R-value that is up to 5 times greater than traditional vinyl siding. This can be fantastic for homeowners who are trying to lower their utility costs.

The Girdwood, AK homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.