Installing Roof Shingle Flashing

There are two simple rules to follow.

Installing roof shingle flashing.

Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters. Do not drive nails into the flashing. Using your staple gun secure the felt to the roof. If you live in an area with inclement weather you should consider using a special ice and water protector.

Bend it back so that it overlaps the corner flashing. Installing your roof flashing is going to be slightly different depending on the specific type that you re installing. Install new flashing metal. Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place.

Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. How to install roof flashing against a wall. Start by laying asphalt felt or other underlayment over the roof.

Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. How to install step flashing with a wall corner step three. Nail it in place with two nails one. Place shingles with underlayment and flashing installed apply shingles up to one side of the flashing.

Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. Then set the piece down. Ensure it sits flat and extends at least 8 inches above the shingles. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.

Most flashing is 8 inches wide. 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. Hammer one nail to the. 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. Overlap each row at least 3 to 4 inches.