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.
Insulation around recessed ceiling lights.
Instead of hanging down from the ceiling like conventional fixtures can lights extend up into the attic so that the only part you see is the front edge of the.
How to insulate around can lights.
Insulation is treated with chemicals to make it flame resistant but it can still ignite if left next to a source of high heat such as a non ic recessed lighting canister.
A number of manufactured products are available to provide clearance for insulation around the fixture but you can also build a box using scraps of rigid insulation or drywall.