Installing Roof Shingle Flashing

There are two simple rules to follow.

Installing roof shingle flashing.

4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Do not drive nails into the flashing. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. Overlap each row at least 3 to 4 inches.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Hammer one nail to the. Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up and at. If you live in an area with inclement weather you should consider using a special ice and water protector.

Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap. Then set the piece down. Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. Using your staple gun secure the felt to the roof. Installing your roof flashing is going to be slightly different depending on the specific type that you re installing.

Step flashing redirects the water back onto the shingle. Nail it in place with two nails one. Place shingles with underlayment and flashing installed apply shingles up to one side of the flashing. 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.

Start by laying asphalt felt or other underlayment over the roof. How to install roof flashing against a wall. Most flashing is 8 inches wide. 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.

Bend it back so that it overlaps the corner flashing. Ensure it sits flat and extends at least 8 inches above the shingles. Then install shingles on the other side.