Installing Metal Flashing On A Roof

Use 1 inch galvanized roofing nails.

Installing metal flashing on a roof. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. In order to do that we re going to use the end wall flashing as a guide. Use your neoprene washer head screws to secure the metal to the sheathing. How to install roof flashing against a wall.

Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. Step flashing on roof peak. Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.

If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. This is not a complete install only basic install on a bungalow i. Lay the flashing down in the roof valley and start at the lower end of the roof. 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. We ve cut our z trims and before we install them we need to know where to place them on the panel. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. Typically flashing is installed using roofing nails and roofing cement.

For exposed fasteners avoid over tightening the fastener. In this video i m installing some metal roofing over an existing ash fault shingled roof. Bend the corner flashing tightly around the corner. I m going to take the end wall flashing put it in place and use a pencil or a sharpie to mark the tops of the ribs and the gable trim just so i know where to put those z s.

However the principles are the s. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Attach the flashing panel in place at the bottom. Step flashing step flashing redirects the water back onto the shingle.

Roof shingle over step flashing. 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. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.