Organic fire-retardant sealant is made by adding fire-retardant agents and fillers to organic synthetic resins and then rolling them together. This sealant remains non-curing for a long time and is highly malleable, allowing for versatile sealing applications. It is primarily used in fireproofing projects for building pipeline and cable penetration holes, often in conjunction with inorganic fire-retardant sealant and firestop bags. Inorganic fire-retardant sealant is a gray powdered material that, when mixed with water, can be used for sealing cable penetration holes or as a firestop wall in electrical tunnels.