GETTING MY OTTAWA ROOFING CONTRACTORS TO WORK

The roofer also said there was some fungus/mildew increasing in the attic (white spots on many of the roof joists), which was an indication of inadequate air flow during the attic. When I re-roof, really should I'm going Using the plywood as opposed to OSB? Should really I have the quantity of attic vents elevated?In 1895, John D. Sanderson was Doi