Revisions log for Answer #2055
This is the answer to the question How do I make a cutout for a door in a load-bearing wall?
Revision 1
Bending through will create the most dust. If you have a good construction vacuum cleaner on hand and someone else has one at the ready, this goes surprisingly well.
It should have a little more steam than a household vacuum cleaner.
I don't know about water, but that's probably best. I don't know if a specialized company can do it without damage. I think yes, you can usually trust specialized companies and their employees because they usually do a good job.
Punching with a sledgehammer, hole punch or similar tool will also be very dusty, don't be fooled. From personal experience, I will say that a hammer drill picks up as much dust as a flex with a suitable extraction device.