Wraps, Strips and Putties
Metacaulk Box Guard
DESCRIPTION: Precured dry intumescent one-component fire-rated pad for use in electrical boxes to maintain the integrity of fire-rated wall assemblies.
- 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; adheres to back of electrical box
- Economical, labor-saving (compared to putty pads); great for retrofit jobs
- Reduces sound transmission
PERFORMANCE: UL Classified system; tested in accordance with ASTM E90 (UL 411), and ASTM E119 (UL 263); tested by a third party independent laboratory to the ASTM G21 standard with Fungal Growth Rating results of zero; VOC compliant (CDPH Standard Method v1.2); STC Rating 53