Trusted Roofing in Grimsby, Ontario
Bosani Roofing extends our Hamilton-area service to Grimsby — bringing the same GAF Certified crew to Grimsby's escarpment-adjacent neighbourhoods, lakeshore communities, and the South Service Road corridor.
Request a Free Roof Inspection in Grimsby
Bosani Roofing offers free, no-obligation inspections across Grimsby. Fill out the form or call (905) 745-0818 directly.
- ✓ Free written quote — no verbal estimates
- ✓ GAF Certified installation quality
- ✓ WSIB Insured — protects your family
- ✓ Same-day response Mon – Sat
- ✓ Serving Grimsby since 2006
Get Your Free Estimate
We respond same day, Mon – Sat
Roofing Services in Grimsby
All six Bosani Roofing services available to Grimsby homeowners — same crew, same quality, same pricing as Hamilton.
Roof Replacement
Full GAF-certified replacements. Most completed in 1–2 days with written warranty.
Learn More →Roof Repair
Fast repairs — storm damage, leaks, flashing failures. 2-year labor warranty.
Learn More →Flat Roof & Torch Down
SBS modified bitumen for residential additions, garages, and low-slope roofs.
Learn More →Eavestrough Installation
Seamless aluminum eavestroughs graded to protect your foundation.
Learn More →Skylight & Sun Tunnels
VELUX Certified installation — your manufacturer warranty protected.
Learn More →Siding Installation
Vinyl and fibre cement siding that handles Ontario's temperature swings.
Learn More →Why Grimsby Roofs Need Specific Attention
Local conditions, housing stock, and permit requirements that affect every roofing project in Grimsby.
Fruit Belt Microclimate
Grimsby's milder winter still produces significant freeze-thaw cycling. The real challenge is spring ice dams when warm lake air meets colder roof surfaces on north-facing slopes.
Escarpment Above, Lake Below
Wind patterns funnel through the Niagara Peninsula, accelerating at escarpment gaps. Proper shingle fastening and sealed ridge caps are critical on exposed Grimsby properties.
Lakeshore Salt Spray
Lake Ontario's north shore subjects Grimsby's lakeshore properties to salt spray and elevated humidity. Galvanized or aluminum flashing components are specified for lakeshore applications.
Niagara Region Permits
Grimsby is in Niagara Region jurisdiction — permit requirements differ from Hamilton's. Bosani handles Niagara Region permits for all Grimsby projects.
Our Work in the Grimsby Area
"Bosani came to Grimsby for our full roof replacement. Same quality, same warranty, same price as their Hamilton jobs — no travel surcharge. Two-day job, perfect cleanup."
"Storm damage repair after a spring storm. Bosani was responsive, gave a written quote that matched what we were charged, and the repair has held through two winters. Recommend without hesitation."