
Five Common Mistakes to Avoid During Insulation Installation
Proper insulation supports energy efficiency, comfort, and lowers utility bills in your home. However, incorrect insulation installation undermines these benefits. Avoid these common mistakes to save time, money, and frustration.

- Choosing the Wrong Type of Insulation. Not all insulation works the same. Each type—fiberglass, spray foam, cellulose, or rigid foam—offers unique properties and suits specific areas. For example, spray foam reaches hard-to-access spaces, while fiberglass works better for open walls. Choosing the wrong type results in subpar performance and higher energy bills.
- Skipping Air Sealing. Insulation reduces heat transfer, but it doesn’t stop air leaks. Failing to seal gaps, cracks, and openings allows drafts to compromise your home’s energy efficiency. Use caulk or spray foam to seal these areas before adding insulation.
- Compressing Insulation Material. Many homeowners compress insulation to fit tight spaces, but this reduces its effectiveness. Insulation relies on trapped air pockets to prevent heat transfer. Compression removes these pockets and decreases its R-value (thermal resistance). Always let insulation expand fully to maximize efficiency.
- Not Accounting for Moisture Control. Moisture degrades insulation and causes mold or mildew to form. Skipping vapor barriers or ignoring existing moisture problems ruins insulation efforts. Install a vapor barrier when needed and dry the space completely before adding insulation.
- Overlooking Building Codes and Safety Standards. Every area enforces building codes and safety guidelines for insulation installation, including fire resistance and clearance around electrical wiring. Ignoring these rules creates safety hazards and leads to costly corrections. Research and follow local codes before starting your project.
Avoiding these mistakes ensures your insulation works as intended, keeping your home energy-efficient and comfortable. Proper planning, attention to detail, and adherence to guidelines prevent costly repairs and wasted effort. If you’re looking for insulation installation done right, give us a call.
Request a
Free Estimate
Discounts for First Responders!
Recent Posts
Many mold treatments focus only on visible growth. Fogging, spraying, or surface cleaning may temporarily improve appearance, but these methods do not eliminate moisture or prevent regrowth...
A properly working dehumidifier plays a critical role in home comfort, indoor air quality, and mold prevention...
Spring in North Carolina brings warmer weather, heavy rain, and high humidity, which can cause water issues and musty odors for many homeowners...
What Our Clients say
“Guys did a tremendous job. Moisture was significant. Got it dried out, cleaned, and new insulation installed with vapor barrier. No one enjoys spending money on an area that you don’t live in but I thought it was fairly priced for the work that was done. Highly recommend. Pics are the before and after.”
Mike E.
“Thomas was great to work with and does super quality work using the best materials. I looked into a lot of other crawlspace vapor barrier and encapsulation companies and Dogwood Crawlspaces was the best that I found and at a reasonable price too. Thanks Thomas for giving my wife and I great peace of mind with a really nice sealed crawlspace and Aprilaire whole house dehumidifier. You’re awesome!”
William Lambert
“Thomas is extremely knowledgeable and thorough in his assessment to determine the underlying issue in our crawl space. He returned my call quickly and showed up the next day without applying any uncomfortable sales pressure. A true professional!”
Alex Gunter





Contact Us

Mon-Fri: 7am – 6pm
Sat: 9am – 4pm
Sun: Closed



