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  • Verified reviews icon101
    Verified insulation services reviews

Find Insulation pros in Girdwood

Avatar for PolySeal Insulation LLC

PolySeal Insulation LLC

2360 S Old Glenn Hwy
4.94(
17
)
Approved Pro

PolySeal Insulation LLC

2360 S Old Glenn Hwy
4.94(
17
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
34 local quotes requested

We're a family-owned, residential construction contractor based in Alaska and have been in business for over 20 years. Our niche is specialty construction solutions. We thrive on trouble-shooting and solving construction problems unique to Alaska - this ranges from insulation methods to combat extremely cold weather, Geo-foam applications to stabilize settling ground, lifting settled houses, creating curtain walls for water abatement, sea wall stabilization, grout injection, helical piers, and the like. We have multiple teams of highly qualified and certified technicians with years of experience. We take pride in providing high-quality products and services to our customers, and our reviews reflect the hard work we have put in.

"Excellent, perfectly done. Would recommend to everyone"

Andy H on March 2024

We're a family-owned, residential construction contractor based in Alaska and have been in business for over 20 years. Our niche is specialty construction solutions. We thrive on trouble-shooting and solving construction problems unique to Alaska - this ranges from insulation methods to combat extremely cold weather, Geo-foam applications to stabilize settling ground, lifting settled houses, creating curtain walls for water abatement, sea wall stabilization, grout injection, helical piers, and the like. We have multiple teams of highly qualified and certified technicians with years of experience. We take pride in providing high-quality products and services to our customers, and our reviews reflect the hard work we have put in.

"Excellent, perfectly done. Would recommend to everyone"

Andy H on March 2024


Blackspruce Enterprises

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No reviews yet

Blackspruce Enterprises

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No reviews yet
Emergency services offered

Detail and service driven individual who prides themselves in customer satisfaction. New to the platform and hope to be given the opportunity to serve customers so that a portfolio of positive feedback can be shown to future clients. It you chose me, I will work hard for you and exercise humility and proper judgement if I feel unqualified for the task.

Detail and service driven individual who prides themselves in customer satisfaction. New to the platform and hope to be given the opportunity to serve customers so that a portfolio of positive feedback can be shown to future clients. It you chose me, I will work hard for you and exercise humility and proper judgement if I feel unqualified for the task.


Total Roof Care LLC

3241 Sleeping Lady Ln
5.00(
4
)

Total Roof Care LLC

3241 Sleeping Lady Ln
5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Why replace your roof when you can recondition it to last 5 to 10 years longer?! Asphalt shingle rejuvenation turns the clock back on your roof restoring the flexibility, granular adhesion, and color as if it were almost like new again. The technology behind Greener Shingles Concentrate has been used on asphalt roads for years and is now available to extend the life of your roof! As an added bonus for Alaskans, the product can be applied with zinc sulfate to kill existing moss and prevent future moss growth. While replacing the average Anchorage roof could cost from $12,000-$16,000, roof rejuvenation costs between $1,750-$2,250. Save your money and give us a call, your roof needs it!

"Yes it is completed it took about 3 hours to do"

Willie D on January 2024

Why replace your roof when you can recondition it to last 5 to 10 years longer?! Asphalt shingle rejuvenation turns the clock back on your roof restoring the flexibility, granular adhesion, and color as if it were almost like new again. The technology behind Greener Shingles Concentrate has been used on asphalt roads for years and is now available to extend the life of your roof! As an added bonus for Alaskans, the product can be applied with zinc sulfate to kill existing moss and prevent future moss growth. While replacing the average Anchorage roof could cost from $12,000-$16,000, roof rejuvenation costs between $1,750-$2,250. Save your money and give us a call, your roof needs it!

"Yes it is completed it took about 3 hours to do"

Willie D on January 2024


Cold Frontier Construction LLC

15815 Old Glenn Highway
No reviews yet

Cold Frontier Construction LLC

15815 Old Glenn Highway
No reviews yet

We are a small but growing, family-run company providing the Anchorage/Mat-Su region with quality and lasting craftsmanship and service in all stages of construction. With over 15 years of industry experience, we provide competitive rates and satisfaction in all of our work. We can ensure if you want something built, we can build it. Whether you need a small kitchen remodel, or a nice new wrap around deck. Maybe you finally want that custom closet you've been talking about, or even a full addition! Or maybe you just need a few patches of drywall and some small maintence work from contractors that actually care? We are your new local Alaskan bred solution to all future interior and exterior dilemmas. Here at Cold Frontier Construction we'll get it done for you no matter the season! Services include full remodel, baseboards and trim, cabinet installation and design, decks and patios, rough framing, insulating, drywall install, mudding and taping, detailed finish carpentry, general maintenance and repairs, plus more!

We are a small but growing, family-run company providing the Anchorage/Mat-Su region with quality and lasting craftsmanship and service in all stages of construction. With over 15 years of industry experience, we provide competitive rates and satisfaction in all of our work. We can ensure if you want something built, we can build it. Whether you need a small kitchen remodel, or a nice new wrap around deck. Maybe you finally want that custom closet you've been talking about, or even a full addition! Or maybe you just need a few patches of drywall and some small maintence work from contractors that actually care? We are your new local Alaskan bred solution to all future interior and exterior dilemmas. Here at Cold Frontier Construction we'll get it done for you no matter the season! Services include full remodel, baseboards and trim, cabinet installation and design, decks and patios, rough framing, insulating, drywall install, mudding and taping, detailed finish carpentry, general maintenance and repairs, plus more!


Spartan Contracting

205 E Dimond Blvd
4.89(
18
)

Spartan Contracting

205 E Dimond Blvd
4.89(
18
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Spartan Contracting is an Alaskan owned firm with over 100 years of combined experience in residential and commercial construction. We are a fully licensed, bonded, insured and residentially endorsed general contractor able to meet all your remodeling and new construction needs. We are also Municipality of Anchorage certified excavators and septic installers, providing exceptional value to our clients. From small remodels to full ground up construction, we have the experience and expertise to make your dreams a reality!

"Levi and his crew did an outstanding job refinishing our decks. Levi has excellent and prompt communication. Pricing was honest and straightforward. Would highly recommend Levi and I would hire again."

Ian G on September 2025

Spartan Contracting is an Alaskan owned firm with over 100 years of combined experience in residential and commercial construction. We are a fully licensed, bonded, insured and residentially endorsed general contractor able to meet all your remodeling and new construction needs. We are also Municipality of Anchorage certified excavators and septic installers, providing exceptional value to our clients. From small remodels to full ground up construction, we have the experience and expertise to make your dreams a reality!

"Levi and his crew did an outstanding job refinishing our decks. Levi has excellent and prompt communication. Pricing was honest and straightforward. Would highly recommend Levi and I would hire again."

Ian G on September 2025


Case & Gamble Construction

8112 E 2nd Ave
5.00(
6
)

Case & Gamble Construction

8112 E 2nd Ave
5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are general contractors licensed, bonded, and insured with a residential endorsement (#117477) meaning that we can provide new construction, additions, remodels, and renovations. We provide all services related to the above from the ground up. We strive to provide a custom experience for each homeowner. We are a partnership business with a combined 25+ years of experience. Please call or email to set up a free estimate.

"Great! Case & Gamble were very professional and communicated well throughout the process. Would absolutely hire again."

Daniel J on May 2019

We are general contractors licensed, bonded, and insured with a residential endorsement (#117477) meaning that we can provide new construction, additions, remodels, and renovations. We provide all services related to the above from the ground up. We strive to provide a custom experience for each homeowner. We are a partnership business with a combined 25+ years of experience. Please call or email to set up a free estimate.

"Great! Case & Gamble were very professional and communicated well throughout the process. Would absolutely hire again."

Daniel J on May 2019




C&S Services

376 N. Chugach St Unit B
1.00(
1
)

C&S Services

376 N. Chugach St Unit B
1.00(
1
)
9 years of experience

We are a full-service General Contracting Company. Our specialties are in Property Management/Maintenance, Damage Restoration and Custom Decorative Concrete; however, we are not limited in our scope of work, the capabilities of the C&S Team are endless. There is no project too large or small for C&S Services to complete to your utmost satisfaction, professionally, as well as, on time and under budget. The C&S Team consists of very talented tradesman dedicated to providing a high quality service at an affordable price using cutting edge construction methods. Ensuring that our product will stand strong against any of Alaska’s diverse and extreme everyday encounters. Contact C&S Services today for a free consultation and estimate. Our locally owned and family operated company, humbly thanks you for your interest in C&S Services of Alaska. Have a blessed day.

We are a full-service General Contracting Company. Our specialties are in Property Management/Maintenance, Damage Restoration and Custom Decorative Concrete; however, we are not limited in our scope of work, the capabilities of the C&S Team are endless. There is no project too large or small for C&S Services to complete to your utmost satisfaction, professionally, as well as, on time and under budget. The C&S Team consists of very talented tradesman dedicated to providing a high quality service at an affordable price using cutting edge construction methods. Ensuring that our product will stand strong against any of Alaska’s diverse and extreme everyday encounters. Contact C&S Services today for a free consultation and estimate. Our locally owned and family operated company, humbly thanks you for your interest in C&S Services of Alaska. Have a blessed day.


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Insulation questions, answered by experts

Installation can take a few hours to a few days, depending on the project's size and complexity.

Yes, many services include adding insulation for energy efficiency. Confirm with your contractor.

On average, attic insulation costs $1 to $3 per square foot, so for a 1,800-square-foot attic, you’d pay $1,800 to $5,400, including materials and labor. The cost can vary depending on what type of insulation you use, how many insulation layers you need, and whether you need to remove existing insulation first.

Don’t install insulation near water heaters, oil burners, or any other object that gets hot. Many insulation materials are fire-resistant, but not entirely fire-proof, so you should take precautions to keep hot things away from fiberglass. This is also why it is imperative to box off lighting fixtures and breaker boxes.

The level of insulation is determined by both the material and the thickness of the door. Some garage door materials (such as wood) have natural insulating capabilities, while other materials (such as metal) do not. No matter the material, two-layer and three-layer garage doors have a higher R-value than single-layer garage doors, as insulation is fitted between the panels. 

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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.