Lifetime Roof Simulator
Calculate true Ontario roof lifespan using snow-load, freeze–thaw physics, thermal expansion and engineering data — unique to ROOFNOW™.
Open ToolRoofing Square Calculator
Convert roof dimensions into accurate roofing squares for material estimating.
Open ToolRoof Cost Calculator
Estimate the cost difference between metal roofing and asphalt shingles based on Ontario market pricing.
Open ToolEnergy Savings Calculator
Calculate long-term heating and cooling savings when switching from asphalt shingles to steel roofing in Ontario climates.
Open ToolROOFNOW™ Encyclopedia
The largest roofing knowledge database in Canada. Learn materials, science, engineering, and roofing history — chapter by chapter.
Open EncyclopediaROOFNOW™ Search Bar
Search across all ROOFNOW™ tools, calculators, encyclopedia entries, city pages, and engineering guides.
Open Search