Flashing Cmu To Roof

Masonry walls which are largely composed of brick concrete masonry units cmu cast stone and other related units typically absorb moisture and rain.

Flashing cmu to roof.

Wait until the sealant becomes hard before you proceed to the next step. It may be quite a labor but it pays off with a strong roof. Details concrete masonry roofing wrb flashing. The soft aluminum base conforms to most metal roof panels.

Open valleys have metal flashing to protect this critical area of the roof. This flashing provides protection for pipes cables conduits and wires. Step flashing 2 brick. The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing.

Up to 5 3 4 in. 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. 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.

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. A flexible flashing can be formed around the bolt heads see figure 5. This adjustable rubber pipe flashing for metal roofing this adjustable rubber pipe flashing for metal roofing accommodates roof penetrations from 1 4 in. However the lintels are not continuous.

The masonry industry understands that water penetration through the outer wythe of veneers will occur. Tek 19 5a flashing details for concrete masonry walls ref. Step 3 seal masonry wall. 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 penetration has to be managed by flashings which divert the water back to the. This sealer will help the adhesive stick to the mortar much better. 3 includes such details.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Flashing single wythe walls at the ends of bar joists which utilize wall pockets for bearing is shown in figures 8 and 8a. The cap flashing is set in the mortar joint between bricks. Window and door heads flashings at window heads are very similar to those at shelf angles.