Caulking Flashing Around Chimney

Getting the right sealant on your flashing is the best bet.

Caulking flashing around chimney.

The first is called step flashing. Next comes the counterflashing. Square step flashing to fit 1 1 2 in. Effective roof flashing around a chimney includes two layers.

Flashing is your main defense against leakage so you want to make sure it is securely fastened and that there are no holes or gaps. It is designed to be the seal that prevents water from entering your home by running down the chimney. Embed the corner step flashing in the caulk and nail it to the roof with two roofing nails. Look for areas where water might be getting in gaps bent flashing holes made by roofing nails etc.

Proper flashing around a chimney includes two layers. Apply a jelly bean size dollop of caulk at the corner where the chimney meets the roof. Check flashing around the base of the chimney along the walls and around the plumbing vents. Turbo poly seal makes it easy to seal between the bricks and it makes a perf.

Sections of l shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney. Chimney flashing is the layer of sheet metal that connects the roof to the chimney. One laying involves tightly playing sheet metal around the chimney edges. Around the front corner as shown.

Silicone caulk w caulking gun. A second layer of metal is embedded in the chimney mortar joints and folded down to cover the top of the step flashing.