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