Flat Roof Leak Detection: How to Find the Source
Flat Roof Leak Detection: How to Find the Source Why the drip is rarely under the hole, how roofers trace a leak, and why a flat roof leaks after heavy rain in Ontario. Call 1-833-775-7663 Oakville head office · Leak tracing, repairs, inspections and maintenance for commercial, industrial and institutional flat roofs across Ontario Karol […]
New Construction Commercial Roofing: An Ontario Guide
New Construction Commercial Roofing: An Ontario Guide The steps, Ontario code rules and paperwork behind the roof on a new warehouse, hotel or apartment building, from specification to warranty. Call 1-833-775-7663 Oakville head office · New construction, replacements, repairs and maintenance for commercial, industrial and institutional flat roofs across Ontario Karol Rajkowski Vice President, OYH […]
Commercial Roof Maintenance: What a Program Includes
Commercial Roof Maintenance: What a Program Includes The tasks, schedule, records and Ontario rules behind a roof maintenance program that keeps a flat roof dry and its warranty valid. Call 1-833-775-7663 Oakville head office · Flat roof maintenance, inspections, repairs and replacements for commercial, industrial and institutional buildings across Ontario Karol Rajkowski Vice President, OYH […]
Commercial Green Roof: What Ontario Requires Now
Commercial Green Roof: What Ontario Requires Now Toronto’s green roof bylaw is no longer in effect. Here is what changed, what still applies and what a roof needs before plants go on it. Call 1-833-775-7663 Oakville head office · Flat roof systems, green roofs, repairs and inspections for commercial, industrial and institutional buildings across Ontario […]
Commercial Roof Coating: Restore or Replace?
Commercial Roof Coating: Restore or Replace? When a coating adds years to a flat roof, when it only hides a failing one, and what Ontario’s weather and rules mean for the job. Call 1-833-775-7663 Oakville head office · Flat roof coatings, repairs, replacements and inspections for commercial, industrial and institutional buildings across Ontario Karol Rajkowski […]
Commercial Roof Inspection: What It Includes and When
Commercial Roof Inspection: What It Includes and When What a flat roof inspection checks, how often to book one, what the report should show and what to check before you buy a building. Call 1-833-775-7663 Oakville head office · Flat roof repairs, replacements and inspections for commercial, industrial and institutional buildings across Ontario Karol Rajkowski […]
Best Flat Roofing Material for Ontario Winters
Best Flat Roofing Material for Ontario Winters How SBS, TPO, PVC, EPDM and built-up roofs handle cold, snow and foot traffic on commercial buildings. Call 1-833-775-7663 Oakville head office · Flat roof repairs, replacements and inspections for commercial, industrial and institutional buildings across Ontario Karol Rajkowski Vice President, OYH Roofing Published October 9, 2026 · […]
Roof Replacement Permit: When Ontario Requires One
Roof Replacement Permit: When Ontario Requires One What Toronto, Mississauga and Brampton say about re-roofing, the roof work that does need a permit, and the other approvals on a commercial job. Call 1-833-775-7663 Oakville head office · Flat roof repairs, replacements and inspections for commercial, industrial and institutional buildings across Ontario Karol Rajkowski Vice President, […]
Tar and Gravel Roof: Repair or Replace With a Membrane?
Tar and Gravel Roof: Repair or Replace With a Membrane? When a built-up roof can still be patched, the checks Ontario owners need before a tear-off, and which membranes replace it. Call 1-833-775-7663 Oakville head office · Flat roof repairs, replacements and inspections for commercial, industrial and institutional buildings across Ontario Karol Rajkowski Vice President, […]
Membrane Roof Repair: Blisters, Seams and Punctures
Membrane Roof Repair: Blisters, Seams and Punctures How roofers repair modified bitumen, built-up, TPO, PVC and EPDM membranes, which defects can wait, and when repairs stop making sense. Call 1-833-775-7663 Oakville head office · Flat roof repairs, replacements and inspections for commercial, industrial and institutional buildings across Ontario Karol Rajkowski Vice President, OYH Roofing Published […]