Methods for sealing fireproof modules in cable trays

Modular fireproof sealing systems provide flexible, high-performance protection for cable trays, ensuring fire, water, gas, and environmental safety while allowing easy installation and retrofit.

Overview of Modular Fireproof Sealing Systems

Modular sealing systems are designed to seal cable tray penetrations in walls, floors, and ceilings, offering fire resistance, environmental protection, and operational reliability. They are widely used in industrial facilities, data centers, offshore platforms, airports, and mechanical installations. These systems prevent the spread of fire, smoke, water, gas, and even rodent intrusion, while maintaining the integrity of cable installations.

Key Features

Modular Design: Systems like Roxtec FlamePlus™ and FIRSTO firestops use modular blocks or frames that can be configured for multiple cable sizes and quantities, allowing spare capacity and easy adaptation to existing installations. Fire Resistance: Many systems provide fire protection up to 120 minutes (EI 120) according to EN 13501-2 standards, using fireproof fillers, fabrics, or sealants. Ease of Installation: Modular systems often feature click-lock shells, split frames, or self-compressing inserts, enabling quick assembly around existing cables without the need for bolts or complex tools.

Environmental Protection: These systems are designed to resist water, gas, dust, and rodents, making them suitable for harsh environments, including offshore and industrial applications. Retrofit Capability: Many modular solutions can be installed around pre-existing cables, allowing upgrades or maintenance without major disassembly. Common Systems and ApplicationsTST Cable/Pipe Penetration Sealing System: Used in pipe corridors, laboratories, and offshore engineering, offering fire, water, and gas protection while simplifying design and maintenance.

SLIPSI

L and RISE® Systems: Provide self-compressing inserts and sealants for multi-cable penetrations, eliminating metallic parts and corrosion issues. System Cable Tube (Flamro): Fireproof cable boxes with inner fire protection fabric, suitable for electrical and HVAC lines, fire-resistant up to 120 minutes. Roxtec FlamePlus™: Lightweight modular transit with configurable sealing modules, suitable for interior/exterior walls, concrete, sandwich panels, and retrofit projects.

Hilti Modular Firestop Solutions: Create water-, smoke-, and gas-tight barriers for onshore and offshore energy and industrial projects.

Benefits

Enhanced Safety: Prevents fire spread and protects critical infrastructure. Flexibility: Accommodates multiple cable sizes and allows future expansion. Cost Efficiency: Reduces downtime and maintenance costs by simplifying installation and retrofitting.

Compliance: Meets international fire safety standards and provides test reports for verification. Modular fireproof sealing systems are therefore a reliable, versatile, and efficient solution for protecting cable trays in a wide range of industrial and commercial environments.