Popular Cities
1 of these contractors is based in Sudbury; the others serve Sudbury from Greater Sudbury (7 km) and Lively (10 km).
2 open weekends · 1 rated 4.5+
Data verified October 18, 2026
We are still growing
The 6 contractors listed for Sudbury, 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.
5 of the 6 contractors on this page have a rating, from 3.8 to 4.8 across 121 reviews; 1 is rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), quality (92%) and punctuality (82%). 2 are open on Saturdays and 1 on Sundays. 2 have ten or more years of experience, the longest 30 years. 2 offer financing or payment plans and 1 gives free estimates. We have a website on file for all 6 of the contractors on this page; 5 publish a contact page and 5 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.
A website is on file for all 6 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.
