Metacaulk Cover Guard


DESCRIPTION: Precured dry intumescent one-component fire-rated gasket for use with electrical boxes when addressing steel electrical box penetrations in fire-rated assemblies (the “24 inch rule”).

FEATURES:

  • Intumescent expands at the exposure of heat, forming a refractory char that tightly seals preventing the spread of flame, smoke and toxic fumes
  • Easy to install; applied by hand; mounted on inside of cover plate & installed simultaneously
  • Covers opening; does not take up volume in electrical box
  • Economical, labor-saving (compared to putty pads); great for retrofit jobs
  • Reduces sound transmission

PERFORMANCE: Tested in accordance with ASTM E119 (UL 263) and ASTM E90; VOC compliant (CDPH Standard Method v1.2); complies to Required Environmental Exposure Testing of Accelerated Aging and High Humidity as per UL 1479 Fire Test of Through-Penetration Firestops; STC Rating 54

Product Variations

  • 66366 - Metacaulk Cover Guard 47mm X 71mm
  • 66367 - Metacaulk Cover Guard Double
  • 66369 - Metacaulk Cover Guard 4 11/16" Box

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