For either option you ll need to cut a hole in the ceiling for attic.
Build attic access panel.
Insulate the cover with rigid foam that is glued in place or batt insulation that is mechanically fastened e g with wires and screws.
In order to get your boxes into your attic you ll need to create an attic access panel or perhaps install an attic ladder.
Before installing the attic access hatch you will want to insulate the backside of it before putting everything in place.
Covers how to select a location find studs measure and cut a hole install tr.
We had the contractors just drywall over the original attic access panel.
Anyways since we had to create the small attic access panel again i thought to take photos of the process so i could share the process with you.
Move a stud finder across your ceiling to locate the joists.
Install a gasket around attic access openings to air seal between the opening and the panel covering.
How to open up access into your attic space for inspection and or insulation.
Here in canada our minimum attic insulation requirement is r 40 that s a metric u value of 0 142 if you re in europe or actually using the units we re supposed to be in canada.
Adding an access panel to your attic is usually not difficult.