Chimney Flue Flashing Details

Use tin snips to clip the flashing at the point where the other side of the chimney lies against the flashing.

Chimney flue flashing details.

Chimney flashing flat roof. Copper is the most popular metal when it comes to chimney flashing. Copper is usually the longest lasting of these. Chimney flashing round flue.

Installing a chimney cap on the flue or. Stone chimney flashing options to avoid or stop leaks. It extends at least 8 up the wall and at least 4 onto the roof on all sides of the chimney. Aluminum generally is not used since it is not compatible with masonry mortar.

This is because of its durability. This article series describes chimney inspection on the roof reporting on flashing and leak problems and inspecting and diagnosing cracks in the sides of a brick chimney. Chimney flashings typically are made of one of the following. Copper base flashing is attached to the roof deck before installation of the roofing.

All joints between base flashing sheets are soldered. The part of the flashing that lies flush with the roof should overlap the roofing shingles. The bent edge should fit around 1 corner of the chimney. Fit the flashing up against the front of the chimney.

On a chimney flashing is required at the bottom the sides and the top. Chimney flashing is usually made of metals like aluminum and stainless steel.