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Guards
Metacaulk Cover Guard
Single component, highly intumescent graphite-based gasket for electrical box cover plates. Installs behind standard cover plates without affecting appearance. Expansion ratio 1:20. Up to 2-hour fire resistance. STC 53.
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UL-Classified SystemsComponents of tested UL firestop systems
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Authorized DistributorGenuine Metacaulk® / RectorSeal
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TDS & SDSFull technical documentation
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Same-Day ShippingOrder by 11 AM CST
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Spec & Submittal SupportCode & system help
Key features
- UL Classified systems up to 2 hours
- Installs behind standard cover plates
- Available for single and double gang — receptacle, switch, and decor
- Non-conductive, Dielectric Breakdown 22V/mil
- STC Rating 53, VOC compliant
Typical applications
- Metallic electrical boxes in fire-rated wall assemblies
Technical data
| VOC | <10 g/L |
|---|---|
| Color | Black |
| Chemical Base | Graphite based on Synthetic compound |
| STC Rating | 53 |
| Expansion Ratio | 1:20 |
Installation overview
- Clean all contact surfaces
- Place aluminum foil side against inside of face plate
- Do not remove any material, film or foil from Cover Guard
- Install face plate with Cover Guard over switch/receptacle, secure with screws