In this rogue episode matt will show you a method to waterproof this very tricky transition between a wall and flat concrete slab.
Concrete wall flashing.
An alternate base flashing fastening method is to use cleats spaced at 12 o c.
As for the basic question of what types of flashing can be used with concrete and masonry heckmann building products which makes flashing for masonry construction recommends against using aluminum as flashing with brick or concrete.
I often run into this issue when doing remodel projects.
We added a front porch to this house and the inside to outside concrete only had a 3 4 drop to tra.
The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding.
3 includes such details.
660 i or masterseal awb 970 fib.
The profile of specific components their configuration or sequencing can vary with the roof system climatic differences and regional or area practices.
See figures 3 7.
Tek 19 5a flashing details for concrete masonry walls ref.
Flashing single wythe walls at the ends of bar joists which utilize wall pockets for bearing is shown in figures 8 and 8a.
Each method of flashing rough openings has unique advantages.
Dimensions as shown are recommended minimums and are intended to be approximate to allow for reasonable tolerances due to field conditions.
Another method of flashing a concrete wall is to cast the cap flashing into the wall.
Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems.
Otherwise dripping water will leave its mark along the siding.
Pinhole free flashing membrane with a thickness of 12 30 mils.
The flashing should extend past the end of the lintel and include an end dam within the concrete masonry.
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.
If metal is to be used as flashing stainless and galvanized steel are better choices.
The flashing should turn up on the interior fig.
Extend the flashing membrane throughout the rough opening and minimum 4 inches onto the face of the exterior wall.
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.
Wsrca does not recommend this detail for heavy rain and or snow and ice climates.