Continuous flashing protects the joint between a vertical wall and a sloped roof.
How to roof chimney flashing.
Slide the prebent and soldered chimney saddle into place behind the chimney.
Place the step flashing over the caulk and onto the chimney.
With the primary flashing and counter flashing connected this differential movement could potentially allow strain to develop in the mortar or pull at fasteners in the roofing assembly.
Flashing is often made of metal which is the norm on a metal roof.
They re applied under roofing felt along eaves and over roofing felt along rakes.
Nail it to the roof along the top edge.
The roof deck and the brick chimney are physically separated by the chase.
Apply a generous amount of roofing cement behind the flashing.
Use special masonry caulk to seal the joints between the flashing and the chimney.
Secure a shingle over the corner flashing using a hammer and roofing nail.
Along the edges or closer if necessary to flatten the metal.
If you were not provided with base flashing you can install step flashing up the side of the chimney.
Flashing is a method of weatherproofing the base of a chimney.
Cap flashing mortared or caulked into the chimney laps over the top edges of the other flashings to prevent water from running behind them.
Place a second piece of 8 inch 20 3 cm flashing against the chimney.
Hammer 2 roofing nails into the flashing and roof.
Ensure the chimney s base flashing is in proper order secured to the roof as the manufacturer or mason recommends beneath the shingles.
Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right.
Galvanized roofing nails about every 6 in.
A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.
Drip edges prevent water from seeping under roofing along the edges of rakes and eaves.
Use masonry nails or screws to reattach the flashing tight against the chimney.
Seal the sides of the chimney with prebent pieces of step flashing under each course of shingles photos 4 and 5.
Roof decks and chimney move independently as they are heated by the sun.
Cover any exposed nail or screw heads with roofing cement.
It s typically made of thin pieces of impenetrable material which inhibits water leaking around the chimney preserving the building from moisture and mold issues.
