D.C United Roofing
“We are so thankful to him, and will definitely call him for any work that needs to be done in the future.”
Best Insulation Contractors near Orillia, ON
None of these contractors is based in Orillia; they work from towns including Severn (6 km), Barrie (33 km) and Oro-Medonte (14 km).
10 contractors listed · 2 open 24/7 · 4 open weekends · 8 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
A&G Roofing
“Adam and all the A&G team always provide amazing service and go above & beyond.”
Brentwood Roofing
“Their team was punctual and did a good job cleaning up nails off the driveway when they finished.”
M & N Insulation Inc.
“I have used them for 3 different properties now and excellence every time from quote to finished installation.”
Elite Insulation Systems
“Fantastic work by Chris…had a major condensation issue in my cold room..”
System 6 Stucco
“He painstakingly went over every inch of the design and made many running changes during the process to ensure we were happy at the end of the project.”
The 10 contractors listed for Orillia, 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: Orillia, ON
9 of the 10 contractors on this page have a rating, from 3.8 to 5.0 across 380 reviews; 3 have 50 or more reviews and 8 are rated 4.5 or higher. The topics that come up most in reviews of the contractors on this page are "estimates", "crew" and "price". 2 are open around the clock; 4 are open on Saturdays and 3 on Sundays. 1 shows a licence on its website. 5 have ten or more years of experience, the longest 26 years. 2 offer emergency call-outs; 2 offer financing or payment plans; 6 give free estimates and 2 are family- or locally-owned. We have a website on file for all 10 of the contractors on this page; 9 publish a contact page; 6 list a public email and 1 takes bookings online. 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 all 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.
Insulation Barrie
Peak Performance Roofing & Exteriors
“The roof looks great and the clean up was done at the end of the first day and then again before they left.”
Alps Roofing Solutions Inc
“He was very responsive to come to our property and discuss the project and provide a competitive quote and even finished the job ahead of schedule.”
Roof Pro Plus Home Improvements
“Roof Pro Plus provided a quote the same day of our call and Nathan was here the next day to make the repair.”
Why these companies made our list
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