The ‘Flashlight’ Trick for Spotting Hidden Ridges in Your Floor Leveler
I spent three days grinding concrete on a job last month just so the floor wouldn’t click like a castanet. My back was screaming. My lungs felt like they were lined with Portland cement. But the homeowner wanted a high-gloss laminate, and you can’t fake that with a dip in the slab. Most guys skip…










