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.
On wall roof flashing.
Roof flashing before on houses over 100 years old up until recently the edge of an asphalt roof would extend outward about a half inch over the edge of the house.
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.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
These problem areas include the edges of skylights and chimneys soil stacks vent fans and roof valleys as well as the intersection of the roof deck and dormer walls.
Wall flashings are required at openings corners intersections and wherever a roof terminates into a wall.
Sidewalls on roofs covered with asphalt shingles wood shingles shakes and slate should be flashed using step flashing like you see here.
Use of continuous single piece solid metal flashing vs.
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.
Step flashing at roof wall abutments steep slope roofs.
Hammer one nail to the.
Then set the piece down.
Most flashing is made of galvanized metal but diy ers may prefer aluminum flashing because it s easier to bend.
How to install step flashing with a wall corner step three.
The roof flashing can really help but notice how this white flashing looks out of place conflicting with the house colors.
Ensure it sits flat and extends at least 8 inches above the shingles.
While peel and stick tapes have replaced these flashings at many details metal flashings are still preferred for many standard details and applications where the flashing is visible or needs to hold a shape or serve as a drip edge.
Bend it back so that it overlaps the corner flashing.
