How to install roof flashing against a wall.
Installing roof shingle flashing.
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.
Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up and at.
Overlap each row at least 3 to 4 inches.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Then install shingles on the other side.
Bend it back so that it overlaps the corner flashing.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Start by laying asphalt felt or other underlayment over the roof.
If you live in an area with inclement weather you should consider using a special ice and water protector.
Hammer one nail to the.
Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place.
Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
Most flashing is 8 inches wide.
Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
Step flashing redirects the water back onto the shingle.
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.
Do not drive nails into the flashing.
How to install step flashing with a wall corner step three.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Using your staple gun secure the felt to the roof.
Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap.
Install new flashing metal.
Ensure it sits flat and extends at least 8 inches above the shingles.
There are two simple rules to follow.
Nail it in place with two nails one.
