Mallard Home Services
“From the initial consultation to the final installation, their team was professional, knowledgeable, and attentive to our needs.”
Best Insulation Contractors near Fergus, ON
2 of these contractors are based in Fergus; the others serve Fergus from towns including Guelph (20 km), Elora (7 km) and Alma (12 km).
1 open 24/7 · 6 open weekends · 7 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
A.j.mac Enterprises Roofing
“Will definitely be calling them in the spring for a new roof.”
Webcon Roofing
“I'm hopeful these shingles will last a very long time and am comforted with the strong warranty provided.”
Hy-Grade Steel Roofing
“She came to our home and spent several hours with us, explaining the entire process and making sure we understood and were satisfied with all answers given.”
Superior Steel Roofing Systems Inc.
“If you are planning on having a steel roof installed you need to have Superior Steel Roofing Systems perform the work.”
LP Platinum Roofing & Exteriors
“Lucas was there from start to finish working right along with his team.”
The 11 contractors listed for Fergus, 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: Fergus, ON
10 of the 11 contractors on this page have a rating, from 4.3 to 5.0 across 542 reviews; 3 have 50 or more reviews and 7 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), quality (82%) and value (72%). The topics that come up most in reviews of the contractors on this page are "cleanliness", "crew" and "estimates". 1 is open around the clock; 6 are open on Saturdays and 3 on Sundays. 1 shows a licence on its website. Domain records put 5 websites of the contractors on this page at ten or more years old; the oldest dates from 2000. 1 offers emergency call-outs; 4 offer financing or payment plans and 7 give free estimates. We have a website on file for all 11 of the contractors on this page; 9 publish a contact page and 8 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.
Are all of these firms based in Fergus?
No. 2 have an address in Fergus and the rest come from other towns within 35 km. Rig and hose mean these crews cover a wide area from one yard. Ask whether your address falls inside the zone they work without a surcharge.
Berwick Insulation & Roofing
“These guys know what they're doing, I've recommended them to many friends and all say the same thing.”
J. Morrison Roofing
“Jason was very attentive to the job and stayed in daily communication throughout the process.”
Super Sprayers
“Great company and great crew, very professional.”
Rugged Oak Craftsmen Inc.
“Courtney had a keen eye for design and kept us updated through the entire process about any changes or adjustments.”
Insulation Guelph
Why these companies made our list
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