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Applications of flashing at cast-in-place penetrations (such as pipes or vents) are similar for both vertical and horizontal waterproofing applications.
In situations where the parapet wall extends above the maximum 12-inch flashing height and wall waterproofing is required, there are several options. In the case of concrete or masonry walls: waterproofing can be provided by installation of a membrane covering, a metal covering or a waterproofing coating.
The waterproofing substrate must be properly prepared prior to the application of the plaza drain flashing material. Any openings and/or defects in the substrate must be properly repaired.
Detail courtesy of Alvaro Mejia, IRT Inc. This detail provides proper application method of sheet or reinforced membrane waterproofing systems. The vertical footing wall/slab intersection is a vulnerable location and
Vertical Corner Flashing DetailThis detail provides proper application method of sheet or reinforced membrane waterproofing systems. The corner of a wall is a vulnerable location and it requires additional protection