Seal Right Insulations Inc.
“Highly recommend if you want a quality spray foam insulation job.”
Best Insulation Contractors near Leamington, ON
1 of these contractors is based in Leamington; the others serve Leamington from towns including Wheatley (10 km), Kingsville (12 km) and Chatham-Kent (24 km).
1 open 24/7 · 6 open weekends · 9 rated 4.5+
Data verified October 16, 2026
Gauthier Roofing and Siding
“Ron gave me regular updates on what work was being done since it was pretty much happening while I was working.”
Artika Sprayfoam Insulation
“They did a fantastic job and ensured that it was drywall ready when they were done.”
Climb Your Mountain Insulation/Spray Foam
“I will be recommending them to all my family and friends as they do other work as well and will use them over and over again!”
Lakeview Roofing
“He was knowledgable in helping me have my shingles replaced and some minor roof damage as well as getting back to me the quickest out of anyone I requested a quote from.”
Heritage Roofing Inc
“Heritage Roofing employees were very skilled, courteous, punctual.”
The 10 contractors listed for Leamington, ON insulate attics, basements, headers and crawl spaces. Details under each one about materials, hours and advertised services are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Leamington, ON
The 10 contractors on this page are rated from 3.9 to 5.0 across 529 reviews; 3 have 50 or more reviews and 9 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), responsiveness (88%) and quality (86%). The topics that come up most in reviews of the contractors on this page are "cleanliness", "estimates" and "price". 1 is open around the clock; 6 are open on Saturdays and 3 on Sundays. 4 have ten or more years of experience, the longest 25 years. 1 offers emergency call-outs; 2 give free estimates; 3 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 9 of the contractors on this page; 9 publish a contact page and 7 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for 9 of the 10 contractors here. Look for the materials they install and whether they do attics, basements or both, because plenty of crews specialize in one. Where there is no site, ask the same questions by phone before booking a visit.
Spraytec Spray Foam Insulation & Basement Waterproofing
“The absolute best team to get in for anything basement 100% reliable and trustworthy!”
Top Quality Insulation Inc.
“From start to finish Ken took care of all the insulation needs of our new build.”
Adam's Industrial Insulations Ltd
Complete Comfort Insulation
“They were extremely easy to deal with, fair priced and dependable.”
Why these companies made our list
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