Clean any leaves or other debris out of the gap between the flashing and chimney.
35+ How To Install Flashing Around A Chimney
Background. Use a circular saw to saw grooves into the mortar joints. A cricket is sloped like a tent roof to deflect water around the chimney.
Chimney Flashings Carson Dunlop Home Inspection Training from www.carsondunlop.com
Install cap flashing across the back of the chimney, overlapping the saddle by at least 4 inches. As the side base flashing approaches the valley flashing, it will have to be shaped to lie in the lower, trough section of the roofing so that the second sheet of roofing will lie flat. Install flashing around the corners.
Add shingles and additional step.
Install cap flashing across the back of the chimney, overlapping the saddle by at least 4 inches. Cut 5 inches off the edges of each side of the. Around the front corner as shown. Nail along its upper edge.