How To Seal A Flat Roof Against A Wall

The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high.

How to seal a flat roof against a wall. It is commonly used in two story and side split houses. 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. When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns.

Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a tile roof. The roof framing itself in this. The sheet acts as a backup at a vulnerable junction. 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.

Ideally i like to start by installing a 3 ft. Housewrap creates the foundation. How to frame a roof against a brick wall. Proper roof wall abutment flashing examples.

These kinds of houses often have a roof that butts against a wall. Follow the photo for illustrated instructions.