How To Install A Metal Roof Around A Round Chimney

A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.

How to install a metal roof around a round chimney.

Take care the first piece is aligned precisely perpendicular square to the edge. Remove the rubber boot. Install two layers of butyl tape sealant under perimeter of pan flashing apply sealant to sidewall flashing where pan flashing tabs will overlap. Place corner pieces where panels will meet bends at the edge of the roofing.

Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe. Secure a shingle over the corner flashing using a hammer and roofing nail. Using a compass draw out the chimney s diameter. Hammer 2 roofing nails into the flashing and roof.

Place the step flashing over the caulk and onto the chimney. Stick this piece to the roof boards and up 8 in. Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. Trace the outline of the base of the rubber boot onto the metal roof with a pencil.

Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. Later you ll seal the new metal saddle to this piece with additional strips of the membrane and then install roofing paper and shingles over the metal saddle. If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch. Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling.

Drill a small hole in this spot to mark the chimney s center. Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim. Space the screws about 12 in 30 cm apart down the entire piece of metal. Place a second piece of 8 inch 20 3 cm flashing against the chimney.

When installing a chimney for a wood stove on a metal roof you ll first need to assess the position. Onto the back of the chimney. Place a small drop of caulk where the roof and chimney meet at the chimney corner. Use your neoprene washer head screws to secure the metal to the sheathing.