However there are ways you can cover them and then safely add insulation.
Can you blow insulation over recessed lights.
If you see them printed on a recessed fixture the fixture presents no fire danger even if you completely cover it with insulation.
You could hire an electrician to replace each fixture with a sealed one rated for insulation contact ic.
Your best bet is to replace the lights before proceeding with blow in insulation.
You can insulate more effectively if the cans are ic rated.
The heat that recessed lights produce can affect temperature in the attic and in the room in which they shine.
Even an ic rated light could have a series of holes inside the housing which is letting air escape into the attic.
Since you mentioned your cans have holes in them they are most definitely not ic rated.
The next thing to check is if the lights are airtight or not.
You can minimize this heat.
But here s another solution which you can do yourself.
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.
Over time debris from leaves and other sources can build up on top of the light so it would be reassuring to know that product has already passed.
When heat builds up in a recessed can light it can.