Penetration Firestopping

This subcontract opportunity involves providing specialized penetration firestopping services for prime contractors on facility projects at the Lawrence Berkeley National Laboratory. The scope of work requires the application of UL-listed firestop sealants, mortars, or pillows around electrical and mechanical penetrations, such as cables and conduits, to ensure compliance with Division 07 standards and local fire codes. The successful contractor will be responsible for delivering certified fire-stopped penetrations across rated walls and floors. The project is managed under the Department of Energy via the Berkeley National Labor contractor and is located in Berkeley, California. Interested parties must submit their responses by the deadline of November 18, 2026. The work falls under NAICS code 238160, focusing on the critical safety requirement of maintaining fire-rated barriers within the laboratory facilities.