Ideally this should be 150mm or a minimum of 75mm again common sense and exposure applies.
Flashing on flat roof wall.
The extra kick at the bottom of the face directs run off away from the structure.
Lead flashing maximum length.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Here s how to install it correctly.
Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling.
It may be quite a labor but it pays off with a strong roof.
Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.
The flashing needs to be installed before installing the roof shingles the metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Jamsill guard sill pan flashing 4 5625 in x 40 in plastic step flashing.
Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Flat roof flashing this could virtually be any type of flat roof the upstand of the flat roof covering is overlapped by the drop of the flashing.
Here is a guide on how to install lead flashing to your roof.
Velux c01 c04 c06 shingle roof aluminum deck mount skylight flashing kit.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
For pricing and availability.
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.