Description of Enhanced 3M Round Barrier Putty Sleeve Tapes: Advanced Adhesives & Sealants for Optimal Performance
Ready-to-install kit for complete cable or blank firestop installation. Tested up to 4 hours for fire-rated through penetration systems in accordance with ASTM E814 (UL 1479). No gasket required to ease installation process. Rolled-out lip on sleeve allows for smooth cable entry. Brackets and sleeve work in tandem to help prevent slipping during installation. Allows for both new and retrofit data and telecom cable firestop installations.