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.
How to seal recessed lights in attic.
Press the trim ring into the caulking.
Remove the bulb from the light fixture.
Reinstall the bulb in the recessed 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.
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.
The recessed lights in my house are accessible from the attic but there s no insulation around them because it says on the fixtures that they need to vent the heat generated by incandescent bulbs.
Recessed can lights no easy solution.
Here are the solutions we recommend if you have recessed can lights protruding into your attic.
Sealing can lights can be done by several methods.
This video from green homes america provides a good overview of the air leakage issue with recessed lights and shows an actual top hat installation.
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.
To prevent heated air from escaping around the hole in the ceiling on recessed light fixtures.
Seal the can lights.
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.
Pull the trim ring down a few inches from the ceiling.
If i replace those bulbs with leds will that reduce the heat enough so i can insulate around the existing lighting cans.
That s what a recessed light does.
For more information see air sealing can lights safely fhb 249 the best alternative in your situation is to replace the recessed lights with nonrecessed lights.