Laser levels are indispensable for ensuring measurement accuracy. We tested the best-selling models—see how they fared.

Q: I am hanging a series of wall sconces in my house and I want them to all hang at exactly the same height. Underneath the sconces, I will be installing a chair rail around the perimeter of the room.

When you think of drop ceilings, you probably think of office buildings, school classrooms, or shopping centers, but there are some situations where you might want a drop ceiling in your home and, ...