The masonry industry understands that water penetration through the outer wythe of veneers will occur.
Flashing cmu to roof.
There is usually a lintel or shelf angle that supports the masonry veneer above the window.
Use a good masonry sealer and spread it over the area where you are going to place the metal roof flashing.
This flashing provides protection for pipes cables conduits and wires.
Additional information for flashing single wythe walls particularly architectural concrete masonry walls and means for providing a higher level of structural continuity at flashings is contained in tek 19 2a ref.
Use a regular paintbrush to apply the sealer to the brick.
A flexible flashing can be formed around the bolt heads see figure 5.
Window and door heads flashings at window heads are very similar to those at shelf angles.
However the lintels are not continuous.
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.
Here is a guide on how to install lead flashing to your roof.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Masonry walls which are largely composed of brick concrete masonry units cmu cast stone and other related units typically absorb moisture and rain.
This penetration has to be managed by flashings which divert the water back to the.
Details concrete masonry roofing wrb flashing.
Flashing single wythe walls at the ends of bar joists which utilize wall pockets for bearing is shown in figures 8 and 8a.
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.
Tek 19 5a flashing details for concrete masonry walls ref.
The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing.
3 includes such details.
Wait until the sealant becomes hard before you proceed to the next step.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
This sealer will help the adhesive stick to the mortar much better.
This adjustable rubber pipe flashing for metal roofing this adjustable rubber pipe flashing for metal roofing accommodates roof penetrations from 1 4 in.
Up to 5 3 4 in.
Open valleys have metal flashing to protect this critical area of the 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.
The cap flashing is set in the mortar joint between bricks.
Step flashing 2 brick.
