ROOFERS OTTAWA ONTARIO SECRETS

The roofer also claimed there was some fungus/mildew expanding inside the attic (white spots on a few of the roof joists), which was an indication of poor ventilation from the attic. Once i re-roof, must I'm going Using the plywood as opposed to OSB? Should I have the quantity of attic vents elevated?one. A ridge roof leak that’s found in the roo