The metal flashing is formed with a hook edge and cleated on 12 centers.
Proper roof to wall flashing.
How to install roof flashing against a wall.
It is used for roof to wall flashing.
Flashing joints are lapped 6 in the direction of water flow.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
Fasten loose nails and cover exposed nail heads with roofing cement.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Learn how to install it below.
The flashing extends up the wall at least 4.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
Step flashing redirects the water back onto the shingle.
Step flashing is a rectangular piece of flashing bent 90 degrees in the center.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Recaulk the joints between the roof and the flashing.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Step flashing consists of short pieces of flashing each installed to overlap the shingle in the course below and to be overlapped by the shingle in the course above.
Badly corroded flashing will need to be replaced.
Storm proof roof 2.
Do not seal housewrap or building paper to step flashing.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall.
Edge flashing and starter strip roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing details roofing wrb flashing two ways to flash roof edges.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Most flashing is 8 inches wide.
Roofing cement can dry out and crumble away exposing joints to water.
