Gary M Katz on Instagram: "Some people call them "benchmarks," some call them "control lines." Doesn't matter which. The important thing is to establish them early on, before any windows or doors are installed, so that all the head casings on each floor will align horizontally, and the muntin bars/window cutups, and the hardware. What once took two people and a builders level, can now be done by one person with a laser, quick and easy. Then...find the high point of the floor BEFORE setting / ins

Best way to control linetype, line thickness and color?

Control Line Combat