Elastomeric, ready-to-use, single-component, neutral-cure silicone sealant that cures upon exposure to atmospheric humidity to form a flexible firestop seal that also acts as a barrier to airborne sound transmission. Seals construction joints and through penetrations in fire-rated assemblies. Provides up to 4-hour fire protection. Light gray color, ± 13% movement capability in joint systems.
When properly installed, product provides up to 4-hour protection against the spread of fire, smoke and noxious gas in tested and listed systems. In addition, this product acts as an acoustic barrier by minimizing noise transfer (STC-Rating of 56 when tested in a STC 56-rated wall assembly), helps create 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 3 hours in accordance with ASTM E 814 (UL 1479) &CAN/ULC S115
Fire Resistance tested up to 4 hours for construction joint systems in accordance with ASTM E 1966 (UL 2079)
Compatible for use with CPVC piping
Compression/extension capability of ± 13%
Applied with conventional caulking equipment (excellent caulk rate)
Excellent weatherability during construction
3M™ Fire Barrier Silicone Sealant 2000+ is ideal for sealing dynamic joints in fire-rated construction. In addition, this flexible product is used in mechanical, electrical and plumbing applications to firestop openings and penetrations through fire-rated floor or wall assemblies. Typical penetrants include: metallic pipe, non-metalic pipe, conduit, power and communication cable and telephone or electrical wiring. 3M™ Fire Barrier Silicone Sealant 2000+ is also used to firestop blank openings and static construction joints.