Flashing Cmu Wall To Roof

Step flashing to a brick wall involves a.

Flashing cmu wall to roof.

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. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. 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.

It is used to seal the gap between walls and intersecting roofs. Use a regular paintbrush to apply the sealer to the brick. Step flashing 2 brick. 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.

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. 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. 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. Tek 19 5a flashing details for concrete masonry walls ref. The cap flashing is set in the mortar joint between bricks. Where an attached backyard deck meets the house.

Roof to wall flashing. Wait until the sealant becomes hard before you proceed to the next step. In all cases make sure to detail the flashing membrane so that it sheds water. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc.

There have always been problems with the flashing details at head walls rake walls and chimneys especially if stucco brick or stone veneer is used. 3 includes such details. It comes in 10 foot lengths or for step flashing 6 inch lengths. Step 3 seal masonry wall.

Above a lower roof where it abuts the 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. 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. This sealer will help the adhesive stick to the mortar much better.

Under the eaves of a roof with little overhang and no gutters. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require. It should tuck under the sheathing wrap above and over the flashing below.