Order about 12 in.
Roof chimney flashing details.
More than the width of the chimney.
Mc15 chimney cricket flashing pan type.
Masonry chimneys allowing for movement.
Chimney flashing flat roof copper base flashing is attached to the roof deck before installation of the roofing.
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.
It extends at least 8 up the wall and at least 4 onto the roof on all sides of the chimney.
The front back and side flashing metal.
Chimney flashing kits are normally composed by 3 parts.
Mc16 skylight underlayment detail.
In addition to the saddle you ll need the following sheet metal parts see figure a.
The minimum depth of the reglet should be 1 in but 1 in.
One common method is to lay the edge metal under the eaves membrane and over the rake.
Here is a specific side view of the primary flashing head flashing detail with a shingle roof covering the base of the head flashing.
Roofers call these shingle tins.
The base of the counterflashing should include a hemmed drip edge to manage the water figure 12.
Mc14a chimney flashing step type.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
Mc12b metal flashing options.
Two ways to flash roof edges.
You ll need one for.
Mc12a pan flashing roof to sidewall 2.
Aluminum generally is not used since it is not compatible with masonry mortar.
Bottom before the base.
Chimneys have a foundation which may be independent from the house.
Some lumberyards stock a dormer flashing.
For extra protection run a bead of urethane between the step flashing and the chimney.
Flashing is installed to surround roof features such as vents chimneys and skylights.
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.
Copper cap flashing then covers the upper edge.
Counterflashing will cover the tops of the step flashing.
In any case the roof deck.
On a chimney flashing.
Prebent step flashing 8 x 8 in.
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.
Press the flashing into the urethane to achieve a positive seal.
The front and back are custom fabricated to order for an exact fit.
As you roof along a chimney alternate shingles and l shaped pieces of step flashing.
This section of the primary flashing extends across the face of the chimney to divert runoff around the chimney.
