Flashing Cmu Wall To Roof

Tek 19 5a flashing details for concrete masonry walls ref.

Flashing cmu wall to roof.

Although flashing is the primary focus of this tek it should be understood that the role of vapor retarders air barriers and insulation are also important elements to consider for any wall design as the performance of the entire system can be dependent on. Step flashing to a brick wall involves a. Where an attached backyard deck meets the house. Use a regular paintbrush to apply the sealer to the brick.

Open valleys have metal flashing to protect this critical area of the roof. Roof to wall flashing. 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. The cap flashing is set in the mortar joint between bricks.

It comes in 10 foot lengths or for step flashing 6 inch lengths. This detail shows the use of copper cap flashing extending over copper base flashing at the intersection of a shed roof with a masonry wall. A sheet waterproofing membrane or water resistive barrier is utilized to flash over the back leg of the metal flashing see figure 4. This sealer will help the adhesive stick to the mortar much better.

Step flashing 2 brick. Use a good masonry sealer and spread it over the area where you are going to place the metal roof flashing. Details concrete masonry roofing wrb flashing. 3 includes such details.

Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require. In all cases make sure to detail the flashing membrane so that it sheds water. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Wait until the sealant becomes hard before you proceed to the next step.

Metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle. Wall intersection at shed roof. Above a lower roof where it abuts the wall. The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing.

Under the eaves of a roof with little overhang and no gutters. It is used to seal the gap between walls and intersecting roofs. It should tuck under the sheathing wrap above and over the flashing below. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. 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. At the base of walls a sheet metal flashing assembly that extends from the face of the backup wall through the masonry should be used to form a drip outside the wall.