
Serving Beaufort, SC and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"Insulation was put up and sheeting was adhered to floor. He was much more reasonable than other references"





+17


Serving Beaufort, SC and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"Insulation was put up and sheeting was adhered to floor. He was much more reasonable than other references"





+17

Serving Beaufort, SC and surrounding areas
Approved
In business since 2010
Free estimates
Credit card accepted
"They are the answer to lower energy costs and better comfort. In my area, home builders applied minimum standards when it came to insulation. Performance Energy fixed it and made it right. We could tell the difference overnight. Plus, they file all gov't rebates for you. Very grateful."





+12

Serving Beaufort, SC and surrounding areas
Approved
In business since 2004
Free estimates
Warranties offered
Elevate your home with Home Genius Exteriors, setting the standard in Charleston by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It's time for a different experience, entrust your next home project to a genius and schedule your free inspection today!





+53

Serving Beaufort, SC and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Credit card accepted
"Barrier South did a great job re insulating my attic and crawl space under house. Jose led a crew that were very professional and skilled. I recommend Barrier South highly. Great job at competitive prices."





+4

Serving Beaufort, SC and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"Very nice working with them! Fair pricing and excellent service! Highly recommend!!"

Serving Beaufort, SC and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Webb Durden delivers! Awesome job!!"

Serving Beaufort, SC and surrounding areas
Approved
In business since 2020
Free estimates
Customers say: Quick response
"I am a retired homebuilder with 40 years of local experience. Could not be happier with the job, and especially with the service. Jose and Island Spray Foam have my unqualified recommendation. They did the job on my schedule, efficiently and expertly, and left the job cleaner than they found it. AAAA"
Serving Beaufort, SC and surrounding areas
Approved
In business since 2022
Free estimates
Small jobs welcome
"The project was top notch. Not only did they consistently show up on time, but they finished the project early and very Professional. Final project turned out great"

Serving Beaufort, SC and surrounding areas
In business since 2011
Free estimates
Credit card accepted
"They were quick to respond and schedule. I was in the RE with my husband without phone service at the time of my initial appointment but he did the evaluation and we scheduled the work the next day. The wwork was neat and efficient."





+8

Serving Beaufort, SC and surrounding areas
In business since 2015
Free estimates
Credit card accepted
"These are the "go-to" guys for spray foam insulation. I would recommend them any time. They were friendly and efficient."
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.
From average costs to expert advice, get all the answers you need to get your job done.

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