Reinforcements for whole floor removal

As far as spot weld removal, I have that **** down to a science. And nope I dont use spot weld cutters. I use an inline air grinder, a ball rotary file, a hammer, and a thin scraper to slide between the 2 pieces of steel to break em apart after grinding the welds with the rotary file to weaken them. You grind the welds down on the metal you are discarding, not on the metal your keeping.

It's hard to describe, but you want to grind on and around around the raised edge around the perimeter of the spotweld, NOT the center of it. Your wanting to weaken the steel sheet your removing. Sometimes you make it thin enough that you cut through and see a little brown from surface rust between the two sheets of steel. Take your time on grinding and separating the first few to not damage the underlying metal till you get the hang of it, and then after that it all starts to go pretty quickly.