Insulation & fireproofing contractor serving Oshawa, Durham Region and the surrounding GTA.
Northstar Spray Foam and Insulation Inc. is a trusted local contractor providing spray foam insulation, attic insulation, fibreglass batts, insulation removal, and commercial fireproofing throughout Oshawa. Our crews are CUFCA-trained, ULC-certified, and fully insured.
Insulation Services in Oshawa
- Spray Foam Insulation in Oshawa
- Commercial Fireproofing in Oshawa
- Attic Blown-In Insulation in Oshawa
- Fibreglass Batt Insulation in Oshawa
- Insulation Removal in Oshawa
- Residential Insulation in Oshawa
- Commercial Insulation in Oshawa
- Industrial Insulation in Oshawa
Why Oshawa Homeowners Choose Northstar
- Local crews familiar with Oshawa housing stock
- Free written quotes, no pressure
- Enbridge HER+ rebate paperwork handled
- 2-year workmanship warranty
- $5M liability, WSIB-covered
Common Questions from Oshawa Homeowners
How much does spray foam insulation cost in the GTA?
Most residential spray foam projects in the GTA range from $2,500 to $8,000 depending on square footage, foam type (open vs closed-cell), and access. We provide free written quotes and can advise on Enbridge HER+ and federal rebates that may apply.
Are you licensed and insured?
Yes — Northstar carries $5,000,000 commercial general liability, WSIB clearance, and our installers are CUFCA-trained and certified for spray foam and ULC-listed fireproofing application.
How long does an attic insulation top-up take?
Most attic top-ups to R-60 are completed in a single day, typically 3–5 hours for an average home. Insulation removal jobs add about half a day.