Q: Whenever I need to replace chimney counterflashings, I seal the top of the flashing with Quickcrete, using a caulk gun. This product is made for concrete repairs, and comes in a tube. I know that some people will mix up a little mortar for this job, and others use silicone or urethane caulk. What is the best product to use?
Keep runoff under control where roofs of different pitches intersect.
Valley flashing takes a beating, whether from heavy rain runoff or melting snow and ice. A long-time roofing contractor explains the proper way to waterproof, flash, and shingle a durable valley.
Don’t take the easy way out when retrofitting flashing to an existing chimney. This proven technique from a veteran roofer locks the flashing in place for a watertight seal.
