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.
How to seal recessed lights in attic.
Only caulk recessed fixtures to the ceiling if the trim ring doesn t have to be removed to change the bulb.
Reinstall the bulb in the recessed light fixture.
That s what a recessed light does.
If you have recessed light fixtures in your home you may also have a significant volume of conditioned air escaping into your attic.
Can lights can be a tricky component to properly sealing attic recessed lights.
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.
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.
Press the trim ring into the caulking.
We ve shown how to use led retrofit inserts in this process so here we take a look at the steps behind using foam sealant to ensure the can is correctly installed into the home envelope.
In their place install an airtight electrical box and then install a different type of lighting fixture track lighting pendants or some other type of surface mounted fixture.
Apply a bead of caulk around the cutout in the ceiling.
Recessed can lights no easy solution cut a 6 in.
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.
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 fixtures such as track lighting or pendants.
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.
A good lighting showroom will have lots of options.
Now it will be safe to heap insulation onto that spot.
Apply the sealant around the cable and along the edge of the cover where it rests on the ceiling.