Ready-to-use, high-performance, single component, neutral cure, silicone firestop that also acts as a barrier to water leakage and airborne sound transmission. Provides up to 4-hour fire protection. Light gray color with black flecks, no mixing required.
When properly installed, product provides up to 4-hour protection against the spread of fire, smoke and noxious gas in tested and listed systems. 3M™ Fire Barrier Water Tight Sealant 3000 WT meets UL Water Leakage Test, W Rating - Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479, provides acoustic benefits by minimizing noise transfer (STC-Rating of 53 when tested in a STC 54-rated wall assembly) and acts as a smoke seal for installations requiring the optional L-Rating. Meets the intent of LEED® VOC environmental regulations, meets International Building Code (IBC) and other key life safety building code requirements.
Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479) &CAN/ULC S115
Fire Resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Meets UL Water Leakage Test, W Rating - Class 1 requirements
Compatible for use with CPVC piping
Tested in accordance with ASTM G 21 standard practice for determining resistance of synthetic polymeric materials to fungi
L-rated smoke seal
Minimizes noise transfer (STC-rating of 53 when tested in STC 54-rated wall assembly)
Sag-resistant, halogen-free formulation
Applied with conventional caulking equipment (excellent adhesion and caulk rate)
Excellent weatherability during construction
Used in mechanical, electrical and plumbing applications to firestop openings created by the following penetrations in fire-rated floors, floor/ceilings or walls: metallic pipe, non-metallic pipe, conduit, power and communication cable, cable trays, busways, combos, insulated pipe and HVAC duct penetrations. 3M™ Fire Barrier Water Tight Sealant 3000 WT is also used to firestop blank openings and bottom-of-wall static construction joints.