AN UNBIASED VIEW OF STITTSVILLE ROOFING

The roofer also explained there was some fungus/mildew developing in the attic (white places on a lot of the roof joists), which was an indication of bad air flow from the attic. When I re-roof, really should I'm going Using the plywood vs . OSB? Should I've the volume of attic vents amplified?The last flashing in the method is the place most leaks