Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap.
Installing roof shingle flashing.
Using your staple gun secure the felt to the roof.
Then install shingles on the other side.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
How to install roof flashing against a wall.
Nail it in place with two nails one.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Step flashing redirects the water back onto the shingle.
Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Start by laying asphalt felt or other underlayment over the roof.
Step flashing for chimneys once the shingles have been installed lay the base flashing around the base of the chimney approximately 4 past each end.
Install new flashing metal.
Bend it back so that it overlaps the corner flashing.
Most flashing is 8 inches wide.
Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
How to install step flashing with a wall corner step three.
Installing your roof flashing is going to be slightly different depending on the specific type that you re installing.
Place shingles with underlayment and flashing installed apply shingles up to one side of the flashing.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Do not drive nails into the flashing.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Overlap each row at least 3 to 4 inches.
If you live in an area with inclement weather you should consider using a special ice and water protector.
Then set the piece down.
Ensure it sits flat and extends at least 8 inches above the shingles.
There are two simple rules to follow.