R-Value Insulation Guide for Canadian Homes (2026): What R-Value Do You Really Need?
A homeowner in the GTA calls three contractors about attic insulation. One says “You need R-60.” Another says “R-50 is plenty for your house.” A third pushes spray foam as the only real solution. None of them have looked at the existing insulation depth, air leakage, rim joists, or the home’s heating system. The homeowner […]
Spray Foam vs Fiberglass Insulation: Cost & Performance
When Mark and Priya bought their 1990s home in Mississauga, they expected higher energy bills. What they didn’t expect was how uneven the house would feel. Cold bedrooms in January. A drafty main floor. An overworked furnace running constantly. After upgrading windows and sealing obvious gaps, comfort improved but not enough. Their energy advisor pointed […]