How To Flash A Metal Roof Against A Wall

These kinds of houses often have a roof that butts against a wall.

How to flash a metal roof against a wall. The final thing to do is install the end wall trim. Install base flashing under shingles or over metal roofing material. Flashing is usually made of sheet metal and is used to seal and protect joints in a building like those where a roof meets the brick walls of a chimney from roof leaks by directing the flow of. 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.

If the roof runs flat up against the brick wall you must install the roof side of the flashing either under the last layer of shingles or over the roof material if it is metal. Even though roof flashing is one of the most important elements of a roof not many people know how to install roof flashing against a wall properly. I fold a piece of metal flashing for the inside corner between the subfascia and the wall. Follow the photo for illustrated instructions.

Open valleys have metal flashing to protect this critical area of the roof. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. It is commonly used in two story and side split houses. I then add a second piece of flexible flashing tape to cover the open corner of the metal flashing and i fold it down onto the subfascia.

Metal roof flashing can be use to seal gaps between roof walls. Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle. A vertical cut about 2 in. Long helps it to fold onto the roof sheathing.

This video shows how to install endwall flashing with standing seam panels. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.