How to Install Door and Window Flashing to Prevent Leaks
Therefore, the upper piece of wrap or flashing should always overlap any lower pieces. Consult the manufacturer’s instructions for the recommended technique for your windows. If installing a new unit, the self-adhesive flashing will cover the inside of the framing and the sheathing. Credit: Edmund Barr Then add small pieces of flashing over the gaps at the corners. Next, apply abead of caulkto the felt and set the window in the caulk....