The Best Insulation Contractors in Isle Of Palms, SC

Compare the highest-rated insulation professionals in Isle Of Palms, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Coastal Insulation Company

4.8
(180 reviews)
Verified

A leading provider of insulation solutions in the South Carolina Lowcountry, specializing in both residential and commercial properties. They are highly regarded for their expertise in spray foam and their understanding of the unique challenges posed by the coastal climate, including humidity control and hurricane building codes.

2125 Ashley River Rd, Charleston, SC 29407 (Serves Isle of Palms)

Specialties & Features

Spray foam insulation
Crawl space encapsulation
Attic insulation and air sealing

Business Information

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

Lowcountry Spray Foam & Insulation

4.7
(120 reviews)
Verified

This contractor focuses heavily on high-performance spray foam applications but offers a full suite of insulation services. They are known for their detailed energy efficiency audits and their work on both new custom homes and retrofit projects in the coastal region.

1431 Stall Dr, Johns Island, SC 29455 (Serves Isle of Palms)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Blown-in attic insulation

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Holy City Insulation

4.6
(90 reviews)
Verified

A well-established and versatile insulation contractor serving the entire Charleston area. They receive consistent praise for their professionalism, clear communication, and effective insulation removal and replacement services. They are a strong choice for comprehensive home energy upgrades.

3349 Santee Ave, Charleston, SC 29405 (Serves Isle of Palms)

Specialties & Features

Insulation removal and replacement
Blown-in cellulose insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Isle Of Palms

** The insulation market in Isle Of Palms is characterized by high-quality, specialized contractors who understand the demands of a coastal environment. The competition is strong among a select group of established companies, most of which are based in nearby Charleston, Mount Pleasant, or Johns Island. The average quality of service is high, as the market demands expertise in dealing with high humidity, salt air, strict building codes related to wind and flood zones, and a clientele focused on both energy efficiency and property protection. Typical pricing is above the national average, reflecting the higher cost of labor and materials in the area, as well as the specialized knowledge required. Homeowners can expect to pay a premium for high-performance materials like closed-cell spray foam, which is often recommended for its air-sealing and moisture-resistant properties. Many providers are well-versed in available rebates from local utilities like Berkeley Electric Cooperative and SCE&G, which can help offset the cost of energy-efficient upgrades. The market is service-oriented, with a focus on long-term home durability and comfort in a challenging climate.

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 Isle Of Palms regulations and climate

Frequently Asked Questions About Insulation in Isle Of Palms

Get answers to common questions about insulation services in Isle Of Palms, South Carolina.

1How does the coastal climate of Isle Of Palms affect my insulation choices and needs?

The high humidity, salt air, and threat of storm-driven rain in Isle Of Palms make moisture resistance and air sealing paramount. We recommend materials like closed-cell spray foam or rigid foam boards that act as both an insulator and a moisture barrier, preventing mold growth and wood rot common in our area. Properly sealing your home also improves dehumidifier efficiency, which is crucial for comfort and preventing damage in our subtropical climate.

2What is the typical cost range for adding or upgrading attic insulation in an Isle Of Palms home?

Costs vary based on material and home size, but for a standard 1,500 sq. ft. attic, blown-in cellulose ranges from $1,500-$2,500, while spray foam can be $3,500-$7,000+. Regional material and labor costs in the Charleston area are a factor. While spray foam has a higher upfront cost, its superior air sealing and R-value per inch can lead to significant long-term energy savings, especially during our hot, humid summers, making it a valuable investment for many coastal homes.

3When is the best time of year to schedule insulation work in Isle Of Palms?

The ideal times are during our milder shoulder seasons, fall (October-November) and early spring (February-March). This avoids the peak summer heat and humidity that can make attic work unbearable and less efficient, as well as the busy hurricane preparation season. Scheduling during these periods also ensures your home is optimally sealed before the intense summer cooling demand or the occasional winter cold snap arrives.

4Are there any local building codes or regulations in Isle Of Palms I should know about for insulation?

Yes, insulation work must comply with the South Carolina Residential Building Code, which includes specific R-value requirements for our climate zone (Zone 2). More critically for our barrier island, any work involving the building envelope may require a Town of Isle Of Palms building permit, especially in flood zones. A reputable local installer will handle this permitting process and ensure all work meets the required codes for wind resistance and energy efficiency.

5How do I choose a reliable insulation contractor in the Isle Of Palms/Charleston area?

Look for a licensed, insured contractor with specific experience in coastal homes—ask for local references. They should perform a thorough energy audit or assessment to identify air leaks and moisture issues, not just quote to add material. Verify they understand the challenges of our environment (humidity, salt air) and offer solutions beyond just attic insulation, such as crawl space encapsulation, which is critical for moisture control in our low-lying, sandy soil conditions.