Roof to wall flashing is bent at a 110.
Roof and wall flashing.
Flashing is installed to surround roof features such as vents chimneys and skylights.
The horizontal part of the flashing will vary depending on the type of roof covering material.
Flashing joints are lapped 6 in the direction of water flow.
A sidewall is a junction between a wall and a sloped portion of a roof.
The metal flashing is formed with a hook edge and cleated on 12 centers.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Except where walls are brick the vertical part of the sidewall flashing should extend up behind the exterior wall covering just like with headwalls.
If the lower roof abutting the building sidewall is being installed before the building s final wall siding and water membrane are being installed the building membrane roofing felt on the wall or final building siding may be able to serve as counter flashing atop the step flashing.
The shorter vertical plane is attached to the upper floor wall under the building paper the lower plane sits on top of the underlayment and under the shingles.
The flashing extends up the wall at least 4.