Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.
Flashing metal roof to brick wall.
Here is a guide on how to install lead flashing to your roof.
Hot and cold weather will make the caulk fail when the metal buckles between nails.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
The first of three labeled not good ids the least desirable way to set flashing to a wall but it is done everywhere.
In this case we ve gone against new construction.
Most simply use a nominal 6 piece of lumber.
Normally this wall would have a house wrap on it like tyvek.
Flashing joints are lapped 6 in the direction of water flow.
Continue reading below our video of the day step 1 choose what kind of metal flashing you need.
It may be quite a labor but it pays off with a strong roof.
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.
There you have a z trim and an end wall flashing that have been joined using a stitch screw.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
You can hire a professional to install it against a brick wall or you can do it yourself.
It is simply a piece of metal liad to the wall and held in place with masonry nails and caulked.
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.
The shank of the fastener is visible.
It s also important to try and blow away the metal shavings.
Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle.
Choose the appropriate flashing size.
The flashing extends up the wall at least 4.
The metal flashing is formed with a hook edge and cleated on 12 centers.
How to install metal roof flashing against brick step 1.
The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Install base flashing under shingles or over metal roofing material.