The heat that recessed lights produce can affect temperature in the attic and in the room in which they shine.
Can you insulate around recessed lights.
However if you want them use type ic airtight fixtures available at lighting stores and home centers.
In order to cover your recessed light cans with insulation you need to have ic rated insulation contact cans installed regardless of the type of light installed in the can.
Insulation should be kept away from recessed can lights because the insulation does not allow the heat generated by the lights to dissipate.
In addition they have gasketed edges to seal them to the drywall.
Replacement can be challenging.
When heat builds up in a recessed can light it can.
But here s another solution which you can do yourself.
You can insulate more effectively if the cans are ic rated.
Make your next attic insulation project that much easier by adding a smartcap attic recessed light cover to your list of hard working insulation accessories.
You could hire an electrician to replace each fixture with a sealed one rated for insulation contact ic.
These fixtures are sealed to stop airflow.
If you re lucky you can pull the old mounting bracket out through the existing hole.
Insulating around recessed lighting.
The best solution is to avoid putting any recessed lights in cathedral ceilings.
Since you mentioned your cans have holes in them they are most definitely not ic rated.