You also lose a lot of heat.
Ceiling can lights insulation.
The dam should provide a minimum 3 inch space around the perimeter of the can.
Apply the sealant around the cable and along the edge of the cover where it rests on the ceiling.
The lights malfunction is a concern and a safety hazard.
Pushing the insulation away is not an effective solution since it creates air passages in the building envelope and wastes energy.
If you re concerned about heat loss through your recessed lights in a cathedral ceiling turn off the light unscrew the bulb and remove the trim to check the label inside.
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.
Installing wooden blocks around the.
If you have recessed lights installed in the ceiling you need to keep the insulation away from the heat generated by the lights because it is a fire hazard.
Now it will be safe to heap insulation onto that spot.