Proper Chimney Flashing Metal Roof

Cut two opposing 45 degree notches into z closure to allow a 90 degree bend.

Proper chimney flashing metal roof.

Proper flashing around a chimney includes two layers. Next comes the counterflashing. Proper flashing around a chimney includes two layers. Place a second piece of 8 inch 20 3 cm flashing against the chimney.

Open valleys have metal flashing to protect this critical area of the roof. Hammer 2 roofing nails into the flashing and roof. Trim panels to fit around the chimney. Bend legs up the chimney sides about 1 inch.

A second layer of metal is embedded in the chimney mortar joints and folded down to cover the top of the step flashing. These work better on smaller round chimneys and may be ideal for a stove chimney in a metal roof. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.

Most flashing is made of galvanized metal but diy ers may prefer aluminum flashing because it s easier to bend. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. The second layer of metal usually consisting of either lead or copper.

A silent movie about flashing a metal roof into a brick chimney from unioncorrugating. The flashing should partially overlap the shingle that covers the first piece of flashing. Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in. Bend a piece of cap flashing to fit around the top corner of the chimney and add the cap flashing across the back of the chimney.

Place the step flashing over the caulk and onto the chimney. These problem areas include the edges of skylights and chimneys soil stacks vent fans and roof valleys as well as the intersection of the roof deck and dormer walls. Pound the flashing into the grooves and fasten with the drive in expanding anchors. The first is called step flashing.

Instead of having to cut flashing materials yourself you can buy a fitting boot for your chimney pipe. Next comes the counterflashing. L shaped aluminum are woven into the shingle courses and lapped up the side of the chimney. A different type of flashing is a chimney pipe boot.

Flashing provides the extra protection these spots need. Secure a shingle over the corner flashing using a hammer and roofing nail.