THE DEFINITIVE GUIDE TO ROOFING SUPPLIES

Slash only from the blister at the highest layer of roofing; do not Slice the roof substrate, or even the fiberboard beneath the rubber or asphalt.[nine] X Study supplyInspect parts where surfaces sign up for, including in a chimney or valley. Look for gaps in caulk, sealant, or aluminum flashing wherever any objects intersect with or arise with th