In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above.
Insulate roof or above ceiling in eaves.
In most of the u s.
You may not be able to see them clearly yourself but you can be sure that your hard earned hot air will.
A cold loft is where you insulate immediately above the ceiling of the top storey so no.
A warm loft is where you insulate immediately under the roof which means your loft space is warm as well.
2d extend insulation into joist space to reduce air flows.
No your soffits should not be insulated and there is a chance that your insulation has been damaged by this.
In cold climates thin insulation near the eaves contributes to ice dams.
For the same reason insulation shouldn t touch the roof s underside.
Achieving these r values with cellulose or fiberglass requires at least 11 inches of insulation for r 38 or 14 inches for r 49.
The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.
On a positive note congratulations on having 24 inch eaves.
This is the point where the roof meets the walls of the house and it s one place where small gaps and cracks are commonly found.