Every single mitered corner and butt joint had separated, the oil-based primer had cracked and was peeling, the wood underneath was damp all the way through, and the caulk in some areas was peeling off as well. Needless to say, I was frustrated. An...
because the metal roof has to be loosened up to get the new valley underneath it – or what you could do is silicone-caulk those holes and hope for the best.
Use your caulking gun to caulk a straight line above the back of the base flashing. Cut a slot of about 1.5 inches into the brick with a circular saw and masonry blade. The will allow the overlapping flashing or counter flashing to slide into the slot. Now seal the slot with a ...