Since 2013, California Fire Stop, Inc. Ownership represents 50 years of construction experience in Southern California. We are 1 of 5 Certified U.L. Firestop Contractors in the state of California, and 1 of 45 in the entire US.  Cal Fire Stop, Inc. is your Premier specialties contractor, Experienced in all Fire stopping installations, Firewrap, Mechanical Insulation, Expansion Joints, Intumescent Paint and Architectural Caulking. Servicing San Diego County, Orange County, Los Angeles County and Surrounding areas with 784 contracted Projects to date. For More information about California Fire Stop, Please Contact us at (760) 400-0999