Roof Flashing Installation Against Brick Wall

Counterflashing also referred to as cap flashing is the first line of defense against water infiltrating your building. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

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So it s critical that you choose the best counterflashing system read more.

Roof flashing installation against brick wall.

However the principles are the s. It is commonly used in two story and side split houses. 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. This minimizes damage to the roof and makes it easier to work with staging.

Install base flashing under shingles or over metal roofing material. Counterflashing is the piece of metal that is applied to the masonry wall designed to shed water off of the wall and down onto the roof surface. To make the wall watertight make sure the housewrap overlaps all of the metal and membrane against the wall sheathing. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.

To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width. Open valleys have metal flashing to protect this critical area of the roof. Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

Proper roof wall flashing example. Now install the kickout flashing and step flashings up the roof as needed. Follow the photo for illustrated instructions. The wall leg of the kickout should be applied over the housewrap cut a 2 ft square piece of housewrap and tuck one edge into the horizontal cut the same one the first piece of housewrap was slipped into and up under the housewrap on the wall by at least 5 in.

Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Metal roof flashing can be use to seal gaps between roof walls. At this point in the process it usually makes sense to complete the masonry work before installing roofing and step flashing. These kinds of houses often have a roof that butts against a wall.