edf4fecb_am_Insulation_Comparison_Chart__lose_and_Fiberglass_Insulation
[Spray Foam Insulation] The weight of spray foam insulation is not significant, and it does not lay on top of your ceiling in any case.
Cellulose is heavy and can cause the ceiling drywall to sag if improperly installed. Imagine dozens of piles of old newspapers laying directly on top of your ceiling, between the framing joists.
Cellulose, Fiberglass and Spray Foam Insulation Comparison Chart
Cellulose and Fiberglass Insulation