Here are the solutions we recommend if you have recessed can lights protruding into your attic.
How to seal recessed lights in attic.
Press the trim ring into the caulking.
If i replace those bulbs with leds will that reduce the heat enough so i can insulate around the existing lighting cans.
After removing the old fixtures add insulation to the empty spots left in the ceiling install airtight electrical boxes and use the same wiring to put in surface mounted.
Sealing from below in homes where attic access isn t available or is difficult and for recessed fixtures mounted in first floor ceilings a top hat and insulation is not an option.
Seal the can lights.
Sealing can lights can be done by several methods.
If you have recessed light fixtures in your home you may also have a significant volume of conditioned air escaping into your attic.
Pull the trim ring down a few inches from the ceiling.
Apply a bead of caulk around the cutout in the ceiling.
Check areas around light fixtures ceiling fans smoke detectors and air conditioning ducts and registers.
In fact you want to seal any hole in the ceiling that allows a path for warm moist air to go directly into the attic.
Remove the bulb from the light fixture.
You can stem the flow of air and money by air sealing your light fixtures from the inside with just a roll of painter s tape a can of spray foam insulation and a tube of painter s caulk.
That s what a recessed light does.
Recessed can lights no easy solution.
Hole in your ceiling and add a 100 watt bulb enough heat to bake cookies and you have a recipe for huge heat loss as well as a major contributor to ice dams.
To prevent heated air from escaping around the hole in the ceiling on recessed light fixtures.
Reinstall the bulb in the recessed light fixture.