The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Flashing a shed roof to a wall.
If installed along the foundation the membrane should cover the joint where the sill meets the foundation.
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.
Flashing joints are lapped 6 in the direction of water flow.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
It should tuck under the sheathing wrap above and over the flashing below.
The flashing extends up the wall at least 4.
Flashing a patio roof ledger unless it will be protected from rain by the house s eaves or a solid roof a roof ledger that is fastened directly to a house with wood siding should be capped with galvanized metal z flashing that tucks up under siding to prevent water from seeping in behind it.
Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.
Most simply use a nominal 6 piece of lumber.
Although flexible flashing tape is pretty durable it s best to protect it with metal flashing and to treat it as a backup for water leaks.
I fold a piece of metal flashing for the inside corner between the subfascia and the wall.
The metal flashing is formed with a hook edge and cleated on 12 centers.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
A vertical cut about 2 in.
Above a lower roof where it abuts the wall in all cases make sure to detail the flashing membrane so that it sheds water.
The easiest way to accomplish this is by using smartvent as an off wall shed exhaust ventilating the shed roof without removing the existing flashing and siding off of the shed wall means one less hassle and one less chance of having the expense to replace the wall siding and losing the bid.
