Caulk the joints where the cricket meets the panel and the chimney as well as the screw heads.
Install a roof cricket.
Install a waterproof membrane over the cricket sides and edges fastened to the cricket with a construction stapler.
Put metal flashing along the sides of the cricket nailed in place to overlap seams with the roof.
Rubberized membrane that runs on the roof and up the sidewall of the chimney.
Proper flashing around a chimney includes three layers.
Because chimneys are such a potential trouble spot consider installing a roof cricket as well as inspect them once every year or two.
Sep flashing is an l shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney.
Place shingles over the cricket and nail them into place with roofing nails beginning against the back edge of the chimney and going up toward the top of the box that you cut into the roof.
Installing a roof cricket.