Fireproof embedded parts for cable trays include intumescent pillows, putty, and caulks, designed to seal penetrations and provide fire resistance up to EI 240.

1. AF BAGS Fireproof Pillows

AF BAGS are intumescent and ablative pillows certified under EN 1366-3, suitable for cable tray penetrations up to EI 240 . Key specifications include:

• Casing: Non-combustible fiberglass, 200 g/m²
• Sealing depth: 120 mm for cables up to 21 mm diameter
• Composition: Intumescent granular compounds, thermal insulating aggregates, and water-release products
• Applications: Walls, floors, sandwich panels, and self-supporting structures
• Advantages: Easily repositioned for maintenance, no harmful fibers, suitable for small, medium, and large cable penetrations .

2. 3M Fire Barrier Moldable Putty+

3M Fire Barrier Moldable Putty+ is a one-part, halogen-free product for sealing electrical outlet boxes, conduits, and cable penetrations . Specifications include:

• Material: Organic/inorganic elastomeric sheet bonded to 28-gauge galvanized steel, reinforced with steel-wire mesh and aluminum foil
• Installation: Quick Pass Device allows easy retrofit and reuse for additional cables
• Applications: New construction or renovation, compatible with various fire-rated constructions
• Fire protection: Blocks heat penetration and protects structural steel and cable trays .

3. IC 15WB Firestop Caulk

IC 15WB Caulk is an intumescent latex/water-based caulk designed for cost-effective fire containment . Features include:

• Installation: Standard caulking gun
• Function: Seals cut edges of interam mats and penetrations, chemically absorbs heat to protect cable trays
• Fire rating: Effective for containing fire and smoke at the origin .

4. Tray-Specific Embedded Parts

• “CT” Type Tray: Includes two pairs of 9ZN-800 splice plates with 3/8” zinc-plated hardware
• “U” Type Tray: Does not include splices; compatible with firestop accessories .

5. Standards and Certifications

• EN 1366-3: Fire resistance testing for service installations
• EI 120–240: Fire rating for cable tray penetrations
• UL and NEMA compliance: Many products conform to UL listings and NEMA VE 1-2017 standards .

6. Installation Considerations

• Measure cable tray dimensions to select the correct size and number of fireproof pillows or putty
• Ensure proper sealing depth and coverage for rated fire resistance
• Use products compatible with wall, floor, or sandwich panel structures
• Repositionable solutions like AF BAGS facilitate maintenance and system modifications .

These fireproof embedded parts provide reliable fire containment, protect structural integrity, and ensure compliance with international fire safety standards for cable tray installations.