Apply the sealant around the cable and along the edge of the cover where it rests on the ceiling.
Recessed lighting and attic insulation.
If you have recessed light fixtures in your home you may also have a significant volume of conditioned air escaping into your attic.
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Since recessed lighting is installed inside the ceiling there is a chance that it may come into contact with insulation.
Pushing the insulation away is not an effective solution since it creates air passages in the building envelope and wastes energy.
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 can and the front of the bulb.
178 mm or less.
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.
The lights malfunction is a concern and a safety hazard.
Fortunately there is a solution.
Rather keep that insulation in the attic and other areas away from recessed cans and use a different less flammable option around recessed lighting fixtures.
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Smartcap attic recessed light cover is a pre assembled easy to install fire rated recessed light cover that simply unfolds into a perfect cap over non ic rated attic light fixtures requiring a 3 gap between fixture and insulation.
Allows attic insulations to achieve r values in excess of r 60 with maximum insulation heights as high as 24 in.
Now it will be safe to heap insulation onto that spot.
It should not be used for recessed light fixtures with nominal diameters greater than 7 in.
Most recessed lights are not compatible with insulation and oftentimes start cycling on off after they have been buried with cellulose foam fiberglass etc.
Safest insulation around recessed lighting rock wool also called mineral slag or mineral wool is the safest least flammable insulation option around recessed cans.
Designed for non ic recessed light fixtures with a nominal diameter of 7 in.
This can often lead to fire hazards if not installed properly.