The flashing extends up the wall at least 4.
Roof to headwall flashing.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
A headwall is defined by the junction between a sloped roof and a wall.
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 is installed to surround roof features such as vents chimneys and skylights.
Flashing joints are lapped 6 in the direction of water flow.
The metal flashing is formed with a hook edge and cleated on 12 centers.
The extra kick at the bottom of the face directs run off away from the structure.
Technical fact sheet no.
The roofing contractors usually try to slide the roof flashing up behind lapped siding but many times this can be a chore and sometimes the exterior wall covering and or the existing water resistive barrier house wrap gets damaged in the process.
On metal roofing systems a headwall flashing is designed to hook on the j channel or z channel and extend up behind the wall exterior while in shingle and slate roof the headwall sits on the first layer of roofing and is then covered by the second layer.
23 roof to wall and deck to wall flashing home builder s guide to coastal construction page 1 of 3.
Install gasketed fasteners approx.
Headwall flashing typically comes bent to 120 and can be fairly easily flattened for roofs with shallower pitches.
Depending on wind zone and local conditions underlayment turned up wall 3 minimum sheet metal headwall flashing.
Roof to wall and deck to wall flashing.
These don t bend well to accommodate roofs with steeper pitches and you ll often see gaps beneath the flashing.
Flashing this area of a roof correctly is very important to avoid leaks.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
The gibraltar galvanized drip edge flashing is made the gibraltar galvanized drip edge flashing is made from reliable 28 gauge galvanized steel.
