Flashing Cmu Wall To Roof

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

Flashing cmu wall to roof.

A sheet waterproofing membrane or water resistive barrier is utilized to flash over the back leg of the metal flashing see figure 4. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Roof to wall flashing. 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.

Step flashing 2 brick. In all cases make sure to detail the flashing membrane so that it sheds water. Where an attached backyard deck meets the house. The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing.

It is used to seal the gap between walls and intersecting roofs. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. The cap flashing is set in the mortar joint between bricks. Details concrete masonry roofing wrb flashing.

This sealer will help the adhesive stick to the mortar much better. 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. It comes in 10 foot lengths or for step flashing 6 inch lengths. Under the eaves of a roof with little overhang and no gutters.

Use a regular paintbrush to apply the sealer to the brick. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require. Wall intersection at shed roof. Above a lower roof where it abuts the wall.

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. Open valleys have metal flashing to protect this critical area of the roof. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. Use a good masonry sealer and spread it over the area where you are going to place the metal roof flashing.

Wait until the sealant becomes hard before you proceed to the next step. Step 3 seal masonry wall. It should tuck under the sheathing wrap above and over the flashing below. Step flashing to a brick wall involves a.

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. 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. 3 includes such details.