The Best Insulation Contractors in Petersburg, AK

Compare the highest-rated insulation professionals in Petersburg, Alaska. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Southeast Insulation

4.8
(95 reviews)
Verified

A highly-rated, family-owned insulation contractor based in Juneau, serving Southeast Alaska. They are known for their expertise in modern insulation techniques and focus on improving energy efficiency in the region's challenging climate. They frequently schedule service runs to communities like Petersburg.

5615 Silverstone Blvd, Juneau, AK 99801

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Tongass Services, LLC

4.6
(70 reviews)
Verified

A versatile general contractor and handyman service located directly in Petersburg. While not a dedicated insulation company, they are a key local resource for many home improvement projects, including insulation installation, removal, and air sealing, making them a practical first call for residents.

Petersburg, AK 99833 (Local)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Air sealing services

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Pacific Insulation Supply Co.

4.4
(110 reviews)
Verified

Based in Ketchikan, this company is a leading supplier and installer of insulation products for Southeast Alaska. They specialize in both residential and commercial projects and have the capacity to transport materials and crews to outlying communities like Petersburg for significant insulation upgrades and new construction.

1231 Stedman St, Ketchikan, AK 99901

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Blown-in insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Petersburg

** The insulation market in Petersburg, Alaska, is characterized by high demand for quality services but limited local competition. Due to the extreme Southeast Alaskan climate—with cold, wet winters and high heating costs—energy efficiency is a paramount concern for homeowners. The market relies heavily on contractors from regional hubs like Juneau and Ketchikan, who schedule projects in Petersburg periodically. This can lead to longer wait times, especially during the peak building season. There are typically one or two local general contractors who handle insulation work among other trades. Pricing is generally above the national average due to the high cost of transporting materials via barge or air and the specialized knowledge required for building in a harsh, maritime environment. Homeowners should plan for project lead times well in advance and inquire about potential state or local energy rebates for which these experienced contractors can often provide guidance.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Petersburg regulations and climate

Frequently Asked Questions About Insulation in Petersburg

Get answers to common questions about insulation services in Petersburg, Alaska.

1What is the most important factor to consider when choosing insulation for my Petersburg home?

The most critical factor is achieving the recommended R-values for Southeast Alaska's marine climate, which are higher than national standards. For example, attics in Petersburg should ideally be insulated to R-49 to R-60 to combat high humidity, persistent cold, and heavy rainfall. Using moisture-resistant materials like closed-cell spray foam or properly detailed rigid foam boards is also vital to prevent mold and rot in our damp environment.

2How does Petersburg's wet, maritime climate affect insulation choices and installation?

The high annual rainfall and humidity make proper air sealing and vapor control paramount. Insulation that can manage moisture, such as closed-cell spray foam (which acts as its own vapor barrier) or carefully installed batts with a separate vapor retarder, is essential. Improper installation that traps moisture within walls can lead to severe structural damage and mold, which is a common and costly issue in local homes.

3When is the best time of year to schedule insulation work in Petersburg?

The ideal time is during the drier summer months, from May through September. This allows for exterior work (like foundation or roof insulation) without weather delays and ensures that building assemblies are dry before insulation is installed. Winter installations are possible for interior projects but can be more challenging due to shorter daylight hours and the need for contractors to carefully manage indoor humidity levels during sealing.

4Are there any local rebates or incentives for improving my home's insulation in Petersburg?

Yes, homeowners should check with Alaska Power & Telephone (APT), the local utility, for any current rebate programs on energy efficiency upgrades. Additionally, the Alaska Housing Finance Corporation (AHFC) offers statewide Home Energy Rebate programs and free virtual home energy audits, which can provide guidance and potential financial incentives for adding insulation to meet higher efficiency standards.

5What should I look for when hiring an insulation contractor in the Petersburg area?

Prioritize contractors with proven experience in Southeast Alaska's specific climate challenges. They should be knowledgeable about local building codes, moisture management, and high R-value requirements. Ask for references from local projects, verify their insurance and licensing, and ensure they conduct a thorough pre-installation inspection to identify any existing moisture issues or air leaks unique to your home.