Installation Of Flashing At Roof Break

Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place.

Installation of flashing at roof break.

Step flashing on roof peak. Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. There s no need to nail more than this and don t nail through the flashing into the shingle as this will introduce a potential leak to the roof. Cut the flashing with tin snips if you need to cut it.

You will also need rake edge flashing for the sides of the roof. Make sure to install flashing around the chimneys and walls. If you already have faulty flashing installed you. Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters.

You need to make a bend of 10 degrees one half inch from the edge. Measure the length of the porch roof joint to determine how much flashing you will need. And be capped on top with either a preformed metal drip cap or a custom flashing installed under the sheathing wrap. These types of flashing are known as step flashing and turn back flashing.

How to install porch roof flashing step 1. Roof shingle over step flashing. The water table should overlap the foundation by about 1 in. Step flashing step flashing redirects the water back onto the shingle.

Now we re going to look at something that does happen quite often. Cut a slit in the sheathing wrap along the entire length of the water table and slip the upper leg of the flashing under the wrap see illustration. How to install roof flashing against a wall. Installing drip edge on a humpy old roof dealing with dips and making clean overlaps metal drip edge flashing is installed on the perimeter of a roof to direct water away from the fascia into the gutters and to keep wind blown rain videos roofing wrb flashing drip edge installation on an existing roof.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Next place your vent flashing on top of the membrane. Use a metal break tool to bend the flashing according to the angle of the roof joint. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Flashing is generally 8 inches wide with 4 inches going on the wall of the house and 4 inches going on the top of the roof shingles. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Prepare the area where you will install the roof flashing.

Bend the corner flashing tightly around the corner.