The front and back are custom fabricated to order for an exact fit.
Roof chimney flashing details.
Mc14a chimney flashing step type.
More than the width of the chimney.
Some lumberyards stock a dormer flashing.
As you roof along a chimney alternate shingles and l shaped pieces of step flashing.
Order about 12 in.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
Chimney flashing flat roof copper base flashing is attached to the roof deck before installation of the roofing.
Chimney flashing kits are normally composed by 3 parts.
Aluminum generally is not used since it is not compatible with masonry mortar.
In addition to the saddle you ll need the following sheet metal parts see figure a.
It extends at least 8 up the wall and at least 4 onto the roof on all sides of the chimney.
For extra protection run a bead of urethane between the step flashing and the chimney.
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.
In any case the roof deck.
Mc14 chimney flashing pan type.
One common method is to lay the edge metal under the eaves membrane and over the rake.
This section of the primary flashing extends across the face of the chimney to divert runoff around the chimney.
Counterflashing will cover the tops of the step flashing.
Mc15 chimney cricket flashing pan type.
Mc12a pan flashing roof to sidewall 2.
Copper cap flashing then covers the upper edge.
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.
On a chimney flashing.
You ll need one for.
Two ways to flash roof edges.
Mc12b metal flashing options.
The minimum depth of the reglet should be 1 in but 1 in.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Details roofing wrb flashing.
Here is a specific side view of the primary flashing head flashing detail with a shingle roof covering the base of the head flashing.
Masonry chimneys allowing for movement.
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.
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.
Prebent step flashing 8 x 8 in.
Mc15a chimney cricket flashing step type.
Roofers call these shingle tins.
Bottom before the base.