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