Flashing Wall To Concrete Slab

The balcony slab should be sloped away from the masonry wall.

Flashing wall to concrete slab.

This prevents water from leaking under the bottom of the wall to the inside of the building. Tek 19 5a flashing details for concrete masonry walls ref. Another metal flashing that is used with concrete and masonry in many parts of the country is lead. 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.

Sometimes however if the slope is not sufficient deflection of the interior portion of the concrete slab can cause the balcony slab to rotate. An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab. Consider a wood shed floor treated lumber joists and plywood. In this article building corners.

Lead flashing is non reactive for the most part but it comes with its own intrinsic challenges because of its toxicity. 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. Beyond the foundation and i want to keep the new walls in the same plane as the existing walls. The patio slab extends 4 in.

For example the crevice between concrete stairs and the foundation is a common entry point. Flashing must be located beneath the first course of masonry above finished ground level above the foundation wall or slab and at other points of support including structural floors shelf angles and lintels when masonry veneers are designed per section r703 7. Lip would be dangerous not to mention unsightly. This article series provides details of foundation tops building walls exterior trim wall corners and roof wall intersection flashing to prevent leaks water damage.

This can eliminate the slope and in some. But i have two small children and i m afraid that angling flashing over the 4 in. Exterior wall on slab must be out on the edge. Another common entry point is where stucco or exterior foam insulation extends.

The same problem occurs where a raised porch or patio slab attaches to the main building. Flashing at the base of balcony walls is often incorrectly installed or omitted altogether.