NEW STEP BY STEP MAP FOR ROOF REPLACEMENT OTTAWA

The roofer also explained there was some fungus/mildew expanding in the attic (white places on a few of the roof joists), which was a sign of poor air flow during the attic. When I re-roof, really should I'm going Using the plywood as opposed to OSB? Need to I have the quantity of attic vents enhanced?Plan routine maintenance is vital to extending