Even an ic rated light could have a series of holes inside the housing which is letting air escape into the attic.
Can you blow insulation over recessed lights.
Insulation should be kept away from recessed can lights because the insulation does not allow the heat generated by the lights to dissipate.
Choosing an ic f rated downlight is added insurance that if during the course of its life insulation is accidentally dislodged and falls on the light no abnormal operation should be expected.
When heat builds up in a recessed can light it can.
Go to a home center and buy a fire rated recessed light cover like the ones made by tenmat for every fixture.
You could hire an electrician to replace each fixture with a sealed one rated for insulation contact ic.
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.
Your best bet is to replace the lights before proceeding with blow in insulation.
You can minimize this heat.
If you see them printed on a recessed fixture the fixture presents no fire danger even if you completely cover it with insulation.
However there are ways you can cover them and then safely add insulation.
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.
You can insulate more effectively if the cans are ic rated.
The next thing to check is if the lights are airtight or not.
If you don t see the ic designation however you must keep the.