Flashing Metal Roof To Brick Wall
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
Flashing metal roof to brick wall. The narrower step flashing just isn t wide enough to protect the intersection fully. Choose the appropriate flashing size. The shank of the fastener is visible. If the roof runs flat up against the brick.
Roof leg and a 7 in. There you have a z trim and an end wall flashing that have been joined using a stitch screw. The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick. Hot and cold weather will make the caulk fail when the metal buckles between nails.
Bigger step flashing is better. The metal flashing is formed with a hook edge and cleated on 12 centers. Install base flashing under shingles or over metal roofing material. Normally this wall would have a house wrap on it like tyvek.
You can hire a professional to install it against a brick wall or you can do it yourself. 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. In this case we ve gone against new construction.
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. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. 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.
Usually 8 inch flashing will work but any size will work well. Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows. It s also important to try and blow away the metal shavings. Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.
Most simply use a nominal 6 piece of lumber. I recommend 12 in wide step flashings bent for a 5 in. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. Flashing is installed to surround roof features such as vents chimneys and skylights.
The first of three labeled not good ids the least desirable way to set flashing to a wall but it is done everywhere. How to install metal roof flashing against brick step 1.