Some pros prefer it to utility knives because the large blade easily slices through the thick material.
Insulating can lights attic.
How to insulate around can lights.
Pull down stair or ladder.
Up in the attic clean the ceiling surface around each fixture slit the cover to accommodate the electrical cable and place the cover over the fixture.
Now it will be safe to heap insulation onto that spot.
Apply the sealant around the cable and along the edge of the cover where it rests on the ceiling.
Use a chef s knife to cut batts.
Instead of hanging down from the ceiling like conventional fixtures can lights extend up into the attic so that the only part you see is the front edge of the.