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Fireproof putty manufacturer for cable trays

Fiber and communications infrastructure knowledge brief Published 31 Mar 2024

Prepared for preliminary research by the ENSAA knowledge desk. Confirm optical interfaces, port or core capacity, electrical input and output, enclosure protection, thermal design and installation limits against current standards and product documentation.

Leading manufacturers of fireproof putty for cable trays include Hilti, 3M, SpecSeal, KBS, and Flamro, offering moldable, intumescent, and code-compliant solutions.

Key Manufacturers and Products

Hilti offers a range of firestop putties, including putty pads, sticks, and cable discs, designed for quick installation around cable penetrations and outlet boxes, helping to meet fire safety codes efficiently. 3M provides the Fire Barrier Moldable Putty+, a halogen-free, one-part elastomeric product suitable for cable trays, conduits, and insulated pipes. It features a reinforced steel layer and aluminum foil for enhanced fire protection and can be used in both new construction and retrofits.

Spec

Seal manufactures SSP Firestop Putty, a non-hardening, intumescent putty that is moldable and re-enterable. It allows installers to hand-form around grouped cable bundles, maintaining a continuous firestop seal while supporting future cable moves or modifications.

KB

S specializes in cable fire protection coatings and penetration sealing systems. Their products, such as KBS Coating and Kombischott ABL 90, are used in industrial and high-voltage applications to prevent fire propagation and maintain compartmentalization in buildings and power plants. Flamro offers FLAMMOTECT-A and DG-CR 0.

7, fire protection coatings and tapes for cables and cable trays. These solutions provide robust protection against fire, environmental factors, and chemical exposure, suitable for indoor and outdoor installations, including sensitive facilities like hospitals, airports, and nuclear plants.

Considerations for Selection

Compliance and Certification: Ensure the putty or coating meets local fire safety codes and international standards. Re-enterability: Non-hardening putties like SpecSeal SSP allow future cable modifications without removing the entire seal. Application Environment: Some products are suitable for outdoor or harsh environments (e.g., Flamro), while others are optimized for indoor commercial or industrial use.

Installation Ease: Moldable putties and pre-formed pads reduce installation time and complexity. These manufacturers provide reliable, tested solutions for fireproofing cable trays, helping maintain safety, code compliance, and operational continuity in case of fire.

Fireproof putty manufacturer for cable trays - ENSAA OPTICAL NETWORKS [PDF]

Fireproof putty manufacturer for cable trays

Firestop

3M Fire Barrier Moldable Putty+ is a one-part, halogen-free product designed to firestop electrical outlet boxes and a wide variety of through-penetrations including cable, conduit, insulated pipe and metal

KBS – Cable Fire Protection and Penetration Sealing | Wolman

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FM011 Moldable Firestop Putty is an industry leading, one-part, flexible intumescent putty ready-to-use for wall or floor openings containing cable trays, cable bundles, plastic pipes and/or

SpecSeal SSP Putty & Putty Pad

Ideal for commercial, industrial, and low‑voltage applications, SSP Putty offers reliable firestopping performance, excellent adhesion, and long‑term flexibility

Cable penetrations seals | Wolman

Avoid cable fires and stop them safely! KBS ® offers various solutions to effectively protect cable penetrations from the passage of flames and smoke. In most cases, the task is to seal off complex

FireMaster Fire Protection Products

Passive fire protection for ducts, structural steel, cable trays, and plenum wraps. From commercial to industrial to municipality, our tested, certified, and trusted FireMaster portfolio is there to protect your

Fireproof Putty

Discover fireproofing putty with intumescent technology for fire-safe buildings. CE certified, heat-resistant up to 450°F, ideal for ducts and cable sealing.

3M™ Fire Barrier Moldable Putty Pads MPP+ | 3M

Effective and easy to install, 3M™ Fire Barrier Moldable Putty Pads MPP+ are part of our family of fire protection products that offer the broadest, long-lasting

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SpecSeal SSP Putty & Putty Pad

SpecSeal® SSP Firestop Putty is a high‑performance, non‑hardening intumescent firestop putty designed to seal cable penetrations and electrical outlet boxes with

3M™ Fire Barrier Moldable Putty Pads MPP+ | 3M United States

Seal gaps between cables in multiple penetrations (including fiber optic inner duct) Insulated pipe, electrical conduit and metal pipe penetrations Fully Tested and Approved Our intumescent 3M™ Fire

Firestop

The following charts give the number of 3M pillows needed to completely firestop an opening that cable tray passes through.* Two (2) sticks of moldable putty (part number FSP-MPS) are also needed for

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Intumescent Putty Pads/Cords | For Socket Boxes & Cables

CE & UKCA marked Astro PFP FR intumescent putty pads. Reinstates drylining partition fire ratings up to 90 mins. Tested to EN 1366-3. Order single or double pads.

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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