To increase safety and reduce building damage, WPI’s complete firestopping services address every component of a building’s fire safety needs to prevent the advancement of a fire throughout a building. To achieve this, WPI’s firestop- ping includes through-penetrations, joint systems and perimeter barriers. Our firestopping systems are preplanned and coordinated with the general contractor and other construction trades to insure fluent work ow throughout the project. Our firestopping design and installation utilizes the most current tested and listed UL and FM assemblies. WPI is a FM 4991 Approved Contractor and has been a member of the Firestop Contractors International Association since 2013.