Rectorseal 66340 Metacaulk Putty, White, 6"x 7" Pad

APPLICATION: Metacaulk Putty Pads to protect metal electrical cabinets, outlet boxes and mechanical cabinets, to maintain hourly rating of fire-rated walls with electrical outlet boxes and to reduce sound transmission EASY INSTALLATION: Moldable non-curing fire-rated material for through penetration firestop systems makes for easy installation; firestop material applied by hand SPECIFICATIONS: Rated for up to 3 hours in accordance with the ASTM E 814, UL 1479 and ULC/CAN4-S115-M test standards; firestop pads have sound transmission class (STC) Rating 60; Only one pad thickness (1/8") needed for a 1-2hr. fire rating; no asbestos fillers CONVENIENT: No special skills required to apply this firestop sealant; no mixing or additives needed; expands when exposed to fire FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets