Stanley Supply, Inc. Mailing Address:
42-42 11th Street Long Island City, NY 11101 Phone: 855.898.2957 Fax: 718.472.3243 E-Mail: sales@stanleysupply.com Website: www.stanleysupplyi.wpengine.com
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