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Find Insulation pros in Anchorage

Avatar for PolySeal Insulation LLC
PolySeal Insulation LLC
4.9(
18
)

Serving Anchorage, AK and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"They did an incredible job. Sealed between all double joists, windows, crawl space. They failed to shave back the insulation above our ceiling cross braces but I'm guessing they assumed we would be sealing up that space later. We weren't there at the time to tell them otherwise, so I'd recommend letting them know that all insulation has to be shaved back to the joist depth."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

15 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Xtreme Alaska Spray Foam, LLC
Xtreme Alaska Spray Foam, LLC
4.3(
6
)

Serving Anchorage, AK and surrounding areas

Approved

In business since 2018

Free estimates

Small jobs welcome

"Tyler and his team were amazing! Thoroughly analyzed the challenges, issued a solid cost estimate, showed up and efficiently/effectively resolved my issues. Heat loss though my cold attic was immediately curtailed! The money I will save in utility bills will more that pay for Tyler’s exceptional work!"
Insulation metal shop
Metal shop in pal.er
Response time1 day
13 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Carpentry By the Hour
Carpentry By the Hour
4.8(
27
)

Serving Anchorage, AK and surrounding areas

In business since 2015

Free estimates

Small jobs welcome

"David, was great to work with. He kept us updated on progress and the quality of work was outstanding. He never left a mess and cleaned up after work each day. If we have the need for Sheetrock work again Carpentry By the Hour will be our first call."
Beach house
Beach house
Sundeck
Sundeck
Storage shed

+11

Response time5 hrs
Recommended by96%of homeowners
Avatar for TW Roofing Group LLC
TW Roofing Group LLC
5.0(
9
)

Serving Anchorage, AK and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Tw roofing is very professional. They worked quickly and cleaned up after the job was done. The roof came out so nice that I had them do the trim around the house and that turned out excellent! it made the house look like an over all remodel."
Anchorage Alaska roofing
New roof/re roof
New roof/re roof
New roof/re roof
New roof/re roof

+24

Recommended by100%of homeowners
Avatar for Olrun Construction
Olrun Construction
5.0(
8
)

Serving Anchorage, AK and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"We had a great experience with Olrun Construction. They are skilled, hardworking, and easy to work with. The project manager was immediately accessible by text/phone, and coordination was flawless. The finished project exceeded expectations. Thank you!"
Deck
Bathroom
Window
Handrail
Logo

+4

Response time4 days
Recommended by100%of homeowners
Showing 1-10 of 26

FAQs for insulation service projects in Anchorage, AK

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The Anchorage, AK homeowners’ guide to insulation services

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

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