Flashing Concrete Wall

The flashing should turn up on the interior fig.

Flashing concrete wall.

Tek 19 5a flashing details for concrete masonry walls ref. The aluminum flashing shown in horgan. 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 design of its individual components. An alternate base flashing fastening method is to use cleats spaced at 12 o c.

Each method of flashing rough openings has unique advantages. See figures 3 7. When precast concrete lintels are used in a concrete masonry wall the flashing should be provided in the course immediately above the precast concrete lintel. In this video i will pro.

660 i or masterseal awb 970 fib. 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. The flashing should extend past the end of the lintel and include an end dam within the concrete masonry. For example the crevice between concrete stairs and the foundation is a common entry point.

What is the best type of flashing to use with concrete. Bill palmer an engineer and the editor in chief of concrete construction a sister publication of jlc responds. Pinhole free flashing membrane with a thickness of 12 30 mils. This detail can be used on either a sloped or a flat roof.

Seeing doug horgan s photos of corroded aluminum flashing in repairing a stone patio over a living space jul 16 left me concerned about using metal flashing with concrete. Copper receiver cast in concrete wall. The cap flashing is attached to the base flashing by blind riveting. 3 includes such details.

Properly installed wall flashing is critical to your building s health. A wall or siding needs special detailing to prevent leaks and damage where the wall encounters any horizontal surface such as a foundation wall top or a concrete porch slab. Another method of flashing a concrete wall is to cast the cap flashing into the wall. This article series provides details of foundation tops building walls exterior trim wall corners and roof wall intersection flashing to prevent leaks water damage.