NOT KNOWN FACTUAL STATEMENTS ABOUT ROOF REPAIR IN OTTAWA

The roofer also said there was some fungus/mildew expanding inside the attic (white spots on a number of the roof joists), which was an indication of bad ventilation within the attic. When I re-roof, should I'm going with the plywood vs . OSB? Really should I've the amount of attic vents elevated?This leak ordinarily takes place when the ultimate s