In this video i m installing some metal roofing over an existing ash fault shingled roof.
Installing metal flashing on a roof.
Most flashing is 8 inches wide.
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.
We ve cut our z trims and before we install them we need to know where to place them on the panel.
Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.
Step flashing step flashing redirects the water back onto the shingle.
For exposed fasteners avoid over tightening the fastener.
Space the screws about 12 in 30 cm apart.
Use your neoprene washer head screws to secure the metal to the sheathing.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
In order to do that we re going to use the end wall flashing as a guide.
Bend the corner flashing tightly around the corner.
Roof shingle over step flashing.
In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation.
Lay the flashing down in the roof valley and start at the lower end of the roof.
However the principles are the s.
Attach the flashing panel in place at the bottom.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
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.
Typically flashing is installed using roofing nails and roofing cement.
Make sure that the end of the flashing panel is perfectly in line with the edge of the roof.
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.
This is not a complete install only basic install on a bungalow i.
Use 1 inch galvanized roofing nails.
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.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
