Catalog Stanley Supply, Inc.

Metacaulk® Box Guard™ is a one component fire rated pad for use in electrical boxes. It is inserted on the inside back wall of an electrical box and is a highly intumescent firestop material. Saves labor costs. Box Guard™ is an economical alternative to putty pads. Great for use on retrofit jobs. Sound Transmission Class (STC) Rating 53*. Complies to Required Environmental Exposure Testing of Accelerated Aging and High Humidity as per UL 1479 Fire Test of Through-Penetration Firestops. U.S. Patent No. 6,207,085 & 6,252,167. *Tested in a UL 411 wall assembly/section to ASTM E90
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Metacaulk® Box Guard

Metacaulk Box Guard Single Electrical Box Insert
  • Case of 50 pcs
    Price Per Case $179.03
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    Metacaulk® Box Guard

    Metacaulk Box Guard Double Electrical Box Insert
  • case of 50 pcs
    Price Per Case $266.48
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    Size N/A Single Electrical Box N/A Double Electrical Box