Home Decor ｜Metacaulk Cover Guard Decor - 50 Count

Metacaulk Cover Guard is a one-piece fire-rated gasket designed to help meet the “24-inch rule” requirement for electrical boxes installed in fire-rated wall assemblies.
 It provides an effective firestop solution by helping maintain the integrity of rated walls where electrical boxes are installed in close proximity.
When exposed to heat, the intumescent material expands to form a protective char that helps seal openings, prevent flame spread, and reduce heat transfer. Designed for seamless installation inside the cover plate, Metacaulk Cover Guard provides fire protection without reducing electrical box volume.
Key Features

Fire-rated one-piece gasket designed for electrical box applications.

Intumescent material expands under heat to block flames and reduce heat transfer.

Helps meet the 24-inch separation requirement in approved applications.

Installs inside the cover plate for seamless installation.

Installed simultaneously with the cover plate for faster application.

Does not reduce electrical box volume.

Cost-effective alternative to putty pads for standard applications.

Provides sound reduction with an STC rating of 54.

Tested and approved to ASTM E814 (UL 1479) standards.

Common Applications

Electrical boxes installed in fire-rated walls.

Opposite-facing electrical boxes with less than 24 inches of horizontal separation.

Standard electrical boxes where the 100-square-inch rule is exceeded.

Commercial buildings.

Residential construction.

Institutional facilities.

Fire-rated wall assemblies.

Ideal For

Electrical cover plates.

Fire-rated partitions.

Wall penetration protection.

New construction projects.

Retrofit and renovation applications.

Key Benefits
Reliable Fire Protection
The intumescent gasket expands when exposed to heat, forming a char that helps seal openings and reduce the spread of flames, smoke, and heat.
Simple Installation
The one-piece design mounts inside the cover plate and installs at the same time, eliminating the need for additional firestop materials or complicated installation steps.
Space-Saving Design
Metacaulk Cover Guard provides required fire protection without taking up valuable space inside the electrical box.
Sound Control
With an STC rating of 54, Metacaulk Cover Guard helps improve acoustic performance by reducing sound transmission through electrical box openings.
Code-Compliant Performance
Designed and tested for approved fire-rated electrical box applications in accordance with ASTM E814 (UL 1479).
How to Use
Surface Preparation

Ensure the electrical box and cover plate area are clean and free of debris.

Verify the application complies with the approved fire-rated assembly.

Confirm the electrical box installation meets applicable building code requirements.

Application Instructions

Position the Metacaulk Cover Guard inside the cover plate.

Install the cover plate with the gasket in place.

Ensure the gasket fully covers the required opening area.

Verify installation according to the approved firestop system requirements.

Important Notes

Use only in tested and approved fire-rated assemblies.

Follow manufacturer installation instructions and applicable building codes.

Intended for passive fire protection applications only.

Verify compatibility with the electrical box and wall assembly before installation.

Product Information

Property
Description

Brand
Metacaulk Cover Guard

Product Type
One-piece fire-rated electrical box gasket

Color
Black

Application
Electrical boxes in fire-rated wall assemblies

Fire Protection Method
Intumescent expansion technology

Sound Rating
STC 54

Test Standard
ASTM E814 (UL 1479)

Case Weight
1.58 lbs

Case Dimensions
Height: 5.25 in × Length: 4.75 in × Width: 4.50 in

 
Frequently Asked Questions (FAQ)
Q1. What is Metacaulk Cover Guard?Metacaulk Cover Guard is a one-piece fire-rated gasket designed to help maintain the fire resistance of electrical boxes installed in fire-rated wall assemblies.
Q2. What is the “24-inch rule”?The “24-inch rule” refers to building code requirements for the minimum horizontal separation between electrical boxes installed on opposite sides of a fire-rated wall. Metacaulk Cover Guard helps address this requirement in approved applications.
Q3. How does Metacaulk Cover Guard work?When exposed to fire or high temperatures, the intumescent gasket expands to form a protective char that helps seal openings and reduce the spread of flames, smoke, and heat.
Q4. Is Metacaulk Cover Guard easy to install?Yes. The one-piece gasket design allows quick installation inside the cover plate without special tools or additional firestop materials.
Q5. Where can Metacaulk Cover Guard be used?It is designed for electrical boxes in approved fire-rated wall assemblies, including commercial, residential, and institutional construction projects.
Brand:MetacaulkSKU:66265Tags:Fire SafetyOption:Single, Double