ROOF REPLACEMENT OTTAWA THINGS TO KNOW BEFORE YOU BUY

The roofer also mentioned there was some fungus/mildew escalating during the attic (white places on some of the roof joists), which was a sign of weak air flow during the attic. After i re-roof, really should I am going Along with the plywood as opposed to OSB? Really should I've the amount of attic vents improved?The final flashing in the procedur