Firestop
Videos
A firestop or fire-stopping is a form of passive fire protection that is used to seal around openings and between joints in a fire-resistance-rated wall or floor assembly. Firestops are designed to ma
Fire test of mortar-based firestop
Pipe with metallic piping penetrations in a 2-hour fire-resistance rated concrete floor slab
Inadequate firestop with rockwool
Firestop mortar seal of a cable tray
Joint (building)
Videos
A building joint is a junction where building elements meet without applying a static load from one element to another. When one or more of these vertical or horizontal elements that meet are required
Perimeter slab edge building joint with incomplete firestop, between concrete floor and precast concrete facade.
HOW Joint with uneven silicone caulking thickness. Status: inoperable.
Combustible Polystyrene insulation in point contact with sheet metal curtain wall backban. Incomplete firestop made of rockwool without topcaulking.
"HOW" (Head Of Wall) Building Joint with incomplete firestop made of rockwool packing