Installing Roof Shingle Flashing

How to install roof flashing against a wall.

Installing roof shingle flashing.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Overlap each row at least 3 to 4 inches. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.

Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. 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. Nail it in place with two nails one.

There are two simple rules to follow. Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place. Most flashing is 8 inches wide. If you live in an area with inclement weather you should consider using a special ice and water protector.

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. Start by laying asphalt felt or other underlayment over the roof. 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.

How to install step flashing with a wall corner step three. Ensure it sits flat and extends at least 8 inches above the shingles. Then install shingles on the other side. Hammer one nail to the.

Bend it back so that it overlaps the corner flashing. Then set the piece down. Install new flashing metal. Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters.

Do not drive nails into the flashing. 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.