Ideal for temporary or permanent sealing of cables, trays, and pipes in elevator shaft openings of office buildings and residential homes. It prevents fire, smoke, and heat spread, maintaining fire compartment integrity and stalling inter - floor fire spread, facilitating. The effectiveness of fireproof sealing systems in preventing the spread of fire in high-rise building cable shafts relies on the properties of various sealing materials and the construction process. Therefore, a comprehensive evaluation is necessary. Where cables pass through shafts, walls, slabs, or enter electrical panels or cabinets, openings shall be tightly sealed with firestopping materials in accordance with. 3M Fire Barrier Moldable Putty+ is a one-part, halogen-free product designed to firestop electrical outlet boxes and a wide variety of through-penetrations including cable, conduit, insulated pipe and metal pipe, which penetrate fire-rated construction. This organic/inorganic elastomeric sheet is. Effective protection of cable systems around the world: our tried-and-tested FLAMMOTECT-A and DG-CR 0. 7 products are successfully used to protect cables in high-rise buildings, industrial buildings, and offshore facilities as well as in sensitive areas, such as hospitals, airports, production. the roxtec sealing system for cables and pipes protects against fire – but also against gas, water, and several other risk factors. our solutions are easy to use and help you ensure safety, efficiency and operational reliability through all phases of your construction project.