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.
Purpose of kick out flashing at roofs.
Omitting kickout flashing often leads to major damage behind the exterior cladding.
Another design for roof edges is called kick out flashing.
Whenever a roof surface abuts a vertical wall surface moisture intrusion and rot become a risk at the connection between the two planes.
It is installed at the bottom of a roof and wall intersection with the lowermost portion formed to deflect water away from the wall.
When installed properly they provide excellent protection against the penetration of water into the building envelope.
A drip edge performs a similar purpose.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
Install step and kick out flashing at all roof wall intersections to protect walls from water intrusion and install boot or collar flashing at all roof penetrations to protect roofs from leaks.
Step and kickout flashing should be installed at all roof wall intersections to protect the wall and divert rainwater runoff into a gutter.
Some contractors make their own kickout flashing from a standard piece of step flashing by cutting the roof leg in half then sliding the upper half over the lower half.
At the bottom of the roof water needs to be directed away from the wall or you ll get a cascade of moss mold and rot.
If not directed away water can pour into walls behind the siding cut that points up the roof rake.
Valley flashing is to protect the valley where two roof planes intersect rather like channel flashing.
It helps redirect water runoff directly into the gutter.
The solution is kickout flashing which replaces the bottommost piece of step flashing and directs water away from the wall and into the gutter.
Kick out flashing this angled piece is typically used in conjunction with step flashing at the bottom edge of the roof.
The flashing piece is less than a foot square piece of metal or plastic.
On a roof kickout flash ing is installed where a lower roofline intersects a vertical wall.
Kickout flashing also known as diverter flashing is a special type of flashing that diverts rainwater away from the cladding and into the gutter.
It helps redirect water runoff directly into the gutter.
Kick out flashing a somewhat forgotten practice except by the best roofers addresses this risk at the most vulnerable intersection between sloped roofs and walls.
