The final thing to do is install the end wall trim.
End wall flashing shingle roof.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
Rain should run off the roof and into the gutter.
Step flashing redirects the water back onto the shingle.
At the bottom of the roof water needs to be directed.
The flashing needs to be installed before installing the roof shingles the metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling.
How to install roof flashing against a wall.
Here s how to install it correctly.
When applying the new shingles each shingle course will be covered by a step flashing.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
Install your underlayment completely and your shingles up to where the wall begins so that the first piece of flashing or the corner flashing will rest on a shingle.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.
To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.
Before we install the end wall flashing we have to apply tape sealant to the top of the z trim so that there s a water tight barrier between the end wall flashing and the top of the z.
Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
You can see what a nice clean look it provides.
We have our z trim installed and tape seal on top of the z trim so we can install this and put it up against the wall.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
More product details close.
The extra kick at the bottom of the face directs run off away from the structure.
Roof planes that butt against vertical walls at the end of the shingle course are protected by metal step flashing at least 125 mm high and 125 mm wide 5 high and 5 wide.
Caulk end plugs to roof and vent and seal ends after placement.