ᐅ Masonry Wall Caps – How to Properly Seal Them?

Hey,

we suspect that the masonry crowns were probably not sealed properly according to recognized technical standards. So, here’s our question: how should this be done correctly? I have read about mortar capping. But in our case, the top rows were always sealed with the same material as the bottom rows, using a damp proof course against rising moisture, made of some kind of rubber or bitumen-like material.

We were told that the first course of bricks should always rest on this damp proof course. However, in our case, the last course between the bricks and the floor slab was also lined with it. There was no sign of mortar.

Is this a defect or not? Who knows? I simply can’t find any clear explanations online.

Thanks

What does the architect or expert say?

If the concrete ceiling is in place, then it probably isn’t a wall plate, right?

Nafetsm schrieb:
In our case, we suspect that the masonry crowns were probably not sealed properly according to recognized technical standards.

On the one hand, I agree with that.

Knallkörper schrieb:
If the concrete slab is sitting on top, it probably isn’t a masonry crown, right?

On the other hand, I don’t see from the text what damage triggered the suspicion of a defect (?)

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Potential drafts are the issue. Why shouldn't this be considered a wall coping? The top row of bricks is usually called the wall coping, and it generally needs to be sealed, right?

It might be the last row before the ceiling, but it is not the top finish. Will the exterior wall be plastered?