Install Flashing On Existing Roof

This is important to protect damage to your fascia soffits rafters.

Install flashing on existing roof.

Installing drip edge on your roof. How to install roof flashing against a wall. Most flashing is 8 inches wide. Water should run down the side of the flashing and be directed to the shingles instead of finding its way into the roof deck.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Flashing is installed to surround roof features such as vents chimneys and skylights. To install vent pipe flashing you will be placing the upper portion below the shingles while allowing the bottom portion that extends below the pipe to lay exposed on top of the shingles. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. With without rain gutters. Tools supplies tin sn. Some types of roofing materials like concrete tile incorporate a continuous sheet of metal flashing at sidewalls.

Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. Apply roofing cement to the back of the flashing then nail it into place keeping all nails a minimum of 6. If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this. Typically flashing is installed using roofing nails and roofing cement.

Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. Cut the flashing into 6 to 8 foot lengths to help prevent buckling after installation. Step flashing step flashing redirects the water back onto the shingle. Install the kickout flashing underneath the first shingle photo 1.