About Northstar
Northstar Spray Foam and Insulation Inc. was founded in Mississauga with a simple goal: bring contractor-grade insulation and fireproofing to the GTA without the runaround. Today, our crews handle everything from single-family attic top-ups to multi-storey condo fireproofing — all backed by the same hands-on owner.
We're CUFCA-certified spray-foam installers and Carboline-certified fireproofing applicators. We're also the people your neighbour told you about — most of our work comes from referrals from past customers, builders, and property managers.
Our Mission
Deliver code-compliant insulation and fireproofing that actually performs — backed by a warranty that means something.
Our Values
Show up on time. Tell the truth about scope. Clean up after ourselves. Stand behind every job.
Our Promise
Honest written quotes, no high-pressure sales, and the same crew from start to finish on every project.
What GTA Homeowners & Builders Say
"Northstar spray-foamed our basement and rim joists. The cold spots are gone and our gas bill dropped 35%. Crew was on time and spotless."
"Hired them for fireproofing on a 6-storey build. Hit every inspection and stayed ahead of schedule. We've already booked them for the next project."
"Removed nasty old attic insulation full of rodent damage and topped us up to R-60 in one day. Highly recommend."
"Got three quotes — Northstar wasn't the cheapest but the most professional by a mile. Quality of work was excellent."
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