Is it acceptable to wall up with defective stones?

I have a question about the use of defective bricks. The following: Our exterior walls are currently being built up, and quite a few defective bricks (aerated concrete plan bricks from Porit) are being used. The bricks have cracks, and some corners are completely broken off. The masons claim these are quite normal transport damages. It's not a big deal; after all, there is plenty of compensating mortar for that. However, I am increasingly concerned. Is it really permissible to still use such bricks, and what disadvantages could arise from this? Can I report this as a defect and have the bricks returned?

Defective bricks must not be built in, the overlap measure (the typical pattern of staggered joints) cannot be maintained, the wall's static could be compromised; also the argument that "there is enough compensating material" is really stupid: Poroton plan bricks are highly insulating bricks; the wall loses insulation value if missing parts of the bricks are simply repaired with mortar.

That these are quite normal transport damages is true, the craftsman must expect this loss, but he must not build in these bricks.

When I hear that, I get so angry, apparently as a layman you have to question every decision of the craftsmen, otherwise you get taken advantage of.:mad: Your arguments sound absolutely convincing to me, I will immediately complain about the defect and demand the use of intact stones

Hello,

My father also did that on advice. The result was that nothing held and the energy costs rose significantly. Then thick cracks appeared in the wall and there was a danger that the wall could collapse. The rectification of the defect was considerable.

So do not use such stones.

I think I’m going crazy, what kind of professional is that who makes such a suggestion. Defective bricks must never be used in the masonry. What Regina writes there, I would freak out about that. It’s obvious that the wall won’t hold. I find that absolutely negligent.

I also had numerous stones that were damaged during transport. My masons just wanted to use them anyway, but I had serious concerns. I stood my ground, and only whole stones were built in.