You also lose a lot of heat.
Ceiling can lights insulation.
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.
Pushing the insulation away is not an effective solution since it creates air passages in the building envelope and wastes energy.
Apply the sealant around the cable and along the edge of the cover where it rests on the ceiling.
Now it will be safe to heap insulation onto that spot.
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.
Recessed light in a cathedral ceiling recessed lights often leak warm moist air against cold roof sheathing which eventually causes roof rot.
The lights malfunction is a concern and a safety hazard.
Installing wooden blocks around the.
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.