Stepped flashing is used where a sloped shingled roof intersects a vertical wall.
Pitched roof flashing detail.
Two ways to flash roof edges.
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These systems rely on overlapping elements roofing felts shingles tiles and flashing details to redirect the rainfall.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
Details concrete masonry roofing wrb flashing.
The extra kick at the bottom of the face directs run off away from the structure.
One common method is to lay the edge metal under the eaves membrane and over the rake.
Variations to common side abutment details the traditional material for step and cover flashings secret gutter and soakers is lead usually code 4 or code 5 for exposed flashings and code 3 for soakers.
The veneer is supported below the roof by cmu or other supporting structure.
Step flashings are interwoven with the shingles and act essentially as shingles with an upturned leg to allow a transition of the vertical drainage plane of the wall to the drainage plane of the roof.
Common pitched roof systems rely on the force of gravity and the surface friction of the roofing materials to direct the flow of water downward and outward.
Section 4 roof wall intersections build supplement flashings 81 roof junction detail getting flashings right between a tight area such as the main gable of a building and the ridge of a smaller gable can be difficult.
Roof detail pitched roof to high wall.
The metal flashing is formed with a hook edge and cleated on 12 centers.
Each soaker extends 100mm over the tile and 75mm up the wall.
The soaker upstands are covered using a step flashing as described earlier.
This detail illustrates a sloped roof terminating into a higher masonry veneer wall.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Flashing joints are lapped 6 in the direction of water flow.
Above the roof a series of short masonry flashing components4 are mechanically fastened to the backup wall using a termination bar with continuous sealant5 along the top.
With these installation pointers you can make sure this junction is weathertight.
These short pieces of masonry flashings terminate outside the face of the masonry with a drip edge that also.
Where a flat or pitched roof over an enclosed area abuts a wall or a balcony abuts a wall cavity trays should be linked to the flashing to prevent water penetrating into an enclosed area.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
