Hot and cold weather will make the caulk fail when the metal buckles between nails.
Flashing metal roof to brick wall.
The first of three labeled not good ids the least desirable way to set flashing to a wall but it is done everywhere.
Usually 8 inch flashing will work but any size will work well.
The metal flashing is formed with a hook edge and cleated on 12 centers.
Continue reading below our video of the day step 1 choose what kind of metal flashing you need.
If the roof runs flat up against the brick.
There you have a z trim and an end wall flashing that have been joined using a stitch screw.
Here is a guide on how to install lead flashing to your roof.
It is simply a piece of metal liad to the wall and held in place with masonry nails and caulked.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.
Most important make sure weep vents are included in the mortar at each pan without a way for water to escape all the fancy flashing is for nothing.
Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.
How to install metal roof flashing against brick step 1.
Most simply use a nominal 6 piece of lumber.
It s also important to try and blow away the metal shavings.
Choose the appropriate flashing size.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
The shank of the fastener is visible.
Normally this wall would have a house wrap on it like tyvek.
Install base flashing under shingles or over metal roofing material.
Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
Flashing joints are lapped 6 in the direction of water flow.
It may be quite a labor but it pays off with a strong roof.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
You can hire a professional to install it against a brick wall or you can do it yourself.
The flashing extends up the wall at least 4.
