Spray foam, blown-in, batt, attic & commercial insulation. Trusted by Markham homeowners and businesses for 10+ years.
Markham's diverse housing stock — from historic Unionville to brand-new Cornell — gets matched insulation strategy.
For 10+ years, Bestway has insulated homes and businesses across Markham and the broader York Region. From rapid attic top-ups to full spray foam basement projects, we deliver the same quality and warranty regardless of where you are in our service area.
High-R closed-cell and budget open-cell foam for a tight, draft-free envelope.
Learn moreCellulose and fiberglass blown to depth — the fast, affordable route to R-60.
Learn moreBring a thin or settled attic back to full R-60 performance.
Learn moreSeal out cold and damp before you finish the basement.
Learn moreHEPA-vacuum removal of damaged, mouldy or rodent-contaminated insulation.
Learn moreCommercial-scale insulation scheduled around your operations.
Learn moreMany Markham 1990s subdivisions have settled blown-in fiberglass that's lost 30%+ of its R-value. Top-up restores full performance.
Markham's central GTA location means typical Ontario heating loads — R-60 attic insulation is a clear win.
Bestway crews work across every neighbourhood. If you're nearby, we'll quote the job — fast.
Specialist responds within one business day
Written, transferable if you sell
We'll explain what you may qualify for
No surprises — here's exactly what working with Bestway in Markham looks like.
Tell us about your Markham home and the problem you're seeing. You get a clear ballpark and we book an on-site visit.
We measure your space, check your current R-value, and confirm a firm price plus your exact rebate eligibility.
Our WSIB-insured crew installs clean and fast — most Markham attics are completed in a single day.
We explain your rebate eligibility and register your written 10-year workmanship warranty.
WSIB coverage and $5M general liability on every Markham job — your home and our crew are protected.
A written workmanship warranty that transfers to the next owner if you sell your Markham home.
We help you understand what Markham homes typically qualify for under Ontario rebate programs.
Free quote in 24 hours. Up to $1,250 in Ontario rebates. WSIB insured.