Rectorseal Metacaulk 7" X 7" Fire Rated Putty Pad
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Rectorseal Metacaulk 7" X 7" Fire Rated Putty Pad

$6.29
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Rectorseal Metacaulk 7" x 7" Fire Rated Putty Pad The Rectorseal Metacaulk 7" x 7" Fire Rated Putty Pad is a one-component, fireproof putty pad designed for electrical boxes, conduit, and other through-penetration firestop systems. This moldable, non-curing pad expands (intumesces) when exposed to heat, forming an insulating char that blocks flames, smoke, gas, and water. Tested for fire resistance up to 3 hours and with a Sound Transmission Class (STC) rating of 60, these fire putty pads deliver reliable performance while keeping assemblies code-compliant. They install easily by hand with no tools or mixing required. Key Features Size: 7" x 7", 1/8" thick Fire Rating: Rated up to 3 hours (ASTM E 814, UL 1479, ULC/CAN4-S115-M) Sound Rating: STC 60 with only one pad needed for 1–2 hour ratings Best For: Firestopping electrical boxes, conduit, and junction boxes Material: Moldable, non-curing putty that intumesces under heat Code Compliance: Required in rated partitions when bo

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