Great stuff fireblock insulating foam sealant is a ready to use minimal expansion insulating foam sealant that fills and insulates gaps up to 3 4 inch to restrict airflow.
Fire blocking insulation.
Unfaced fiberglass batt insulation used as fireblocking shall fill the entire cross section of the wall cavity to a minimum height of 16 inches 406 mm measured vertically.
F ire blocking aims to prevent or at least slow the vertical movement of flames smoke and gases by sealing off concealed spaces like stud cavities and soffits.
Fire block and firestop are two different concepts and use different materials.
Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent.
Insulation materials fire block insulation and foam fiberglass insulation secured tightly batts or blankets insulation cellulose insulation at approved thickness spray foams that are approved for fire blocking.
Thermafiber fire and sound guard mineral wool insulation batt 24 bags model sg 25 p3 15 47 221 view the owens corning thermafiber mineral wool insulation.