3M 7100004181 Fire Barrier Pass-through Device 4 in

Product Description

The 3M 7100004181 is a square fire barrier pass-through device sized at 4 inches, designed to maintain the fire-resistance rating of walls and floors where electrical, data, or communications cables and pipes penetrate the assembly. The device installs into the opening and provides a listed firestop solution that helps contain the spread of fire, smoke, and combustion gases through rated construction. It is a field-applied product typically installed by licensed electricians, low-voltage contractors, or fire protection specialists during rough-in or renovation work on fire-rated floor or wall assemblies.

This pass-through device is suited for use in commercial, institutional, and multifamily residential construction where fire-rated floors or walls require penetration sealing for cable and pipe runs. Common applications include data closets, electrical rooms, mechanical shafts, and anywhere conduit or cable bundles cross a rated assembly. The 4-inch square format accommodates a range of cable bundle configurations and pipe diameters within that opening footprint.

Key Features

• Square 4-inch format designed for penetrations through fire-rated floors and walls
• Accepts electrical, data, communications cables, and pipes in a single device
• Maintains fire-resistance rating of the host assembly at the penetration point
• Field-installed unit suited for both new construction and retrofit applications
• Sold individually, allowing precise quantity ordering per penetration count

Compatibility

Designed as an OEM-style firestop pass-through for use in fire-rated wall and floor assemblies accepting a 4-inch square device opening for cable and pipe penetrations.

Installation Notes

Installation must be performed in accordance with the manufacturer's listed system details and applicable fire code requirements, including IBC and NFPA 101 provisions for through-penetration firestop systems. De-energize all circuits and isolate the work area before cutting or modifying any fire-rated assembly. Follow the specific listed installation instructions for opening preparation, device placement, and any required sealant application. Consult the authority having jurisdiction for inspection requirements prior to concealing the installation.

Technical Specifications

• Size: 4 inches square
• Weight: 2.27 pounds
• Unit of Measure: Each
• UPC: 00051115165979

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100004181