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Find Batt, rolled or reflective insulation install or upgrade pros in Wilmington

Avatar for Home Genius Exteriors
Home Genius Exteriors
4.81(
207
)

Angi Approved

In business since 2004

Free estimates

Emergency services offered

"The roof and trim were done, and look great. But I have a couple of issues .The crew was very unfriendly. I came out just to say hi, and they sneered at me and walked away without a word. Also, after they left I found out that they apparently cut an electric wire as I had a tripped breaker and now some of my electric baseboard heaters don't work. This was in an area where they replaced sheathing material right over my breaker box. I contacted the rep, who acknowledged my issue and I am waiting to hear back."
27 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.55(
1,173
)

Angi Approved

Super Service Award Winner

In business since 1979

Free estimates

Warranties offered

"Perma-Seal was out to insulate my attic this week and did an excellent job. David did a thorough inspection, explained everything, answered our questions, and even told us that we didn’t need certain work that we thought we needed. He was very honest, polite and personable, and gave us a fair quote with some options without being pushy. Luis and his crew began the work two days later. They were prompt, courteous, professional and knowledgeable. Luis explained how the project would be done and shared progress photos with me along the way. He even curtained off the area around the attic ladder to contain any waste and cleaned up everything perfectly. I would highly recommend Perma-Seal to anyone who is considering their services."
125 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Weather Shield Insulators
Weather Shield Insulators
5.00(
27
)

Angi Approved

In business since 2008

Free estimates

Warranties offered

"These guys did a great job kept everything neat and clean while they where working. I would definitely recommend them to friends and family. I give them 10 stars. Tim Post Castle Mechanical Inc."
7 neighbors recently requested a quote
Recommended by100%of homeowners
Golden Knots
5.00(
1
)

In business since 1994

Free estimates

Emergency services offered

Mobil # 847-344-0472. \nAngie's List Member will get 30% off our cleaning prices.

Recommended by100%of homeowners
Avatar for Concrete Crawlspaces & Basement Waterproofing Corp
Concrete Crawlspaces & Basement Waterproofing Corp
4.75(
154
)

In business since 2007

Free estimates

"Steve Gavin, the owner came out and provided me with a great price that was inclusive of the entire scope of the project. During our meeting he took the time to explain the process that his company uses. Once the permits were issued the crew arrived the next morning at 7:00 a.m. as promised. The crew met the deadline for a 1:30 inspection from the Village of Deerfield. They not only met the deadline but they passed the inspection without any issues to be corrected. The crew worked until 7:00 p.m. completing the job. I would also note that they left my home spotless!"
Recommended by92%of homeowners
VILLANO INTERIORS INC
5.00(
6
)

In business since 1998

Emergency services offered

"Highly recommend Villano Interiors! We used them for new carpeting a few years ago, and then had them back again to put in new hardwood a year or two later. Pricing is great and they are very pleasant / professional."
Recommended by100%of homeowners
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Showing 1-10 of 1007
FAQs for batt, rolled or reflective insulation install or upgrade projects in Wilmington, IL

Batt insulation excels in vertical installations because it remains firmly in place and delivers consistent thermal performance. Blown-in insulation performs exceptionally in spaces such as attics, efficiently filling gaps in irregular areas. 

Employing both insulation types according to their strengths enhances your home’s overall energy efficiency and comfort by providing a tailored solution for every space.

Start by measuring the square footage of the space, then match that area with the insulation thickness you need to hit your target R-value. Add a buffer for waste and odd-shaped spots so every cavity is covered. 

Once you have a rough count, run it past a local insulation pro—their on-site advice will fine-tune the numbers and help you avoid costly miscalculations.

Old insulation that is dry, intact, and mold-free does not require removal before adding new insulation; stacking new insulation over it maintains effective thermal performance and boosts energy efficiency. 

If the insulation is damp, moldy, or deteriorated, removal is necessary to eliminate health risks and ensure maximum effectiveness of the new layer. A professional insulation contractor will assess your situation and recommend the most effective solution.

Installing insulation in an average-sized home using batts or boards requires five to 12 hours. Using spray foam or blown-in insulation requires two to five hours. These timeframes are determined by the area’s size, accessibility, and whether old insulation must be removed. 

Complex projects and hard-to-reach spaces demand extra time. Hiring an experienced insulation professional ensures that the installation is completed efficiently and correctly.

Insulation is measured by R-value, which defines how effectively it resists heat flow. A higher R-value provides superior thermal resistance, ensuring your home remains warm in winter and cool in summer. 

Choosing the correct R-value is essential for maximizing energy efficiency and comfort, and it directly impacts long-term utility savings. Professional guidance determines the optimal R-value for your specific climate.

The Wilmington, IL homeowners’ guide to batt, rolled or reflective insulation installs or upgrades

From average costs to expert advice, get all the answers you need to get your job done.