It may take a couple of rotations.
Cutting drywall for can lights.
Larger than the fixture stick the center point in the middle and rotate the cutter while forcing the wheel into the drywall surface.
You ve got a new clean edge.
In how to hang drywall on a ceiling with canned lights house flipping brothers dave and rich show you all of the steps for hanging drywall on a ceiling.
After measuring your drywall lay a t square on the right side of the material.
With a sharp utility knife or other cutting tool follow the pencil line and lightly cut through the paper layer of drywall.
Use the razor knife for major drywall cuts.
Lean the sheet of drywall up against a wall at a slight angle of about 45 degrees so you will be cutting it vertically.
Then repeat on the other side of the drywall and knock out the plug.
Use a pencil to draw a scoring line.
Obtain a drywall square or t square which looks like a large metal ruler with a t at the top and place it against the drywall.
The key is to cut through the paper.
As for recessed lighting in top floor ceilings i would be concerned about insulation and heat loss.
The first step in learning how to cut drywall is scoring the material correctly.
Hold a drywall square or t square against the drywall where you need to cut it.
Pros hang the new construction housing lights and drywall then cut the lights out with a roto zip the edge of the round part of the housing is suppose to hang down 1 2 below the framing advertisement the following user says thank you to jonm for this useful post.
I just purchased an inexpensive 9 99 set of hole saws 3 4 to 5 inch diameters from pricess auto that work fine for a few holes in drywall and wood.
You score the panel apply some pressure and snap.