It extends at least 8 up the wall and at least 4 onto the roof on all sides of the chimney.
Roof chimney flashing details.
You ll need one for.
Masonry chimneys allowing for movement.
For extra protection run a bead of urethane between the step flashing and the chimney.
The front back and side flashing metal.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
In any case the roof deck.
Here is a specific side view of the primary flashing head flashing detail with a shingle roof covering the base of the head flashing.
Kits made from copper lead coated copper freedom gray and tcsii are always soldered while aluminum parts are riveted and can be sealed before installation.
Mc15 chimney cricket flashing pan type.
One common method is to lay the edge metal under the eaves membrane and over the rake.
Some lumberyards stock a dormer flashing.
Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.
The base of the counterflashing should include a hemmed drip edge to manage the water figure 12.
Press the flashing into the urethane to achieve a positive seal.
Order about 12 in.
Mc16 skylight underlayment detail.
Bottom before the base.
Details roofing wrb flashing.
Counterflashing will cover the tops of the step flashing.
On a chimney flashing.
Roofers call these shingle tins.
Mc14 chimney flashing pan type.
The front and back are custom fabricated to order for an exact fit.
Mc15a chimney cricket flashing step type.
Copper cap flashing then covers the upper edge.
Mc14a chimney flashing step type.
This section of the primary flashing extends across the face of the chimney to divert runoff around the chimney.
The minimum depth of the reglet should be 1 in but 1 in.
Two ways to flash roof edges.
Mc12b metal flashing options.
Mc12a pan flashing roof to sidewall 2.
Chimney flashing flat roof copper base flashing is attached to the roof deck before installation of the roofing.
The flashing should extend away from the chimney past the base or step flashing before taking a sharp bend downward to create a capillary break an air space that will not allow capillary suction of water from below.
More than the width of the chimney.
Prebent step flashing 8 x 8 in.
Aluminum generally is not used since it is not compatible with masonry mortar.
Chimneys have a foundation which may be independent from the house.
