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Fire-Rated Ductwork Installation | 2026 Life-Safety Compliance

In 2026, Fire-Rated Ductwork in Malaysia is the most critical "Passive Fire Protection" element in your building's mechanical design. Under the UBBL 2024 (Uniform Building By-Laws) and BOMBA 2026 enforcement standards, air ducts are no longer just conduits for air; they are potential "Fuses" that can spread smoke and flame between compartments. A failure in fire-rated ducting during an audit can delay a Certificate of Completion and Compliance (CCC) indefinitely.

At EKG M&E, with 34 years of mechanical depth, we provide BS 476 Part 24 and EN 1366 compliant installations, ensuring your smoke spill and kitchen exhaust systems maintain their structural integrity during a catastrophic event.

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1. 2026 Compliance: Stability, Integrity, and Insulation

For a duct to be certified "Fire-Rated" in 2026, it must pass three distinct performance criteria during a Type A (Fire Outside) or Type B (Fire Inside) test:

• Stability (S): The duct and its support hangers must not collapse. In 2026, for smoke extract systems, the duct must retain at least 90% of its cross-sectional area (tightened from the previous 75% under newer EN standards).

• Integrity (E): The duct must remain airtight. No flames or hot gases can "leak" through joints or seals into unaffected compartments like fire-fighting lobbies.

• Insulation (I): The temperature on the "unexposed" side of the duct must not rise above a specified limit (typically $140^\circ\text{C}$ average). This prevents the heat inside a kitchen exhaust from igniting combustible ceiling materials outside the duct.

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2. Specialized 2026 Fire-Rated Systems

With 34 years of experience, we deploy three primary technologies to meet BOMBA requirements:

A. Pre-Coated Steel Systems (Flamebar / WinDuct)

Factory-sprayed with a specialized moisture-resistant, intumescent compound.

• 2026 Advantage: Provides up to 4 hours of fire resistance. It is 100% moisture-proof, making it ideal for basement car parks where "Duct Sweating" is common.

B. Calcium Silicate Board Enclosure

Standard G.I. ducting encased in high-performance fire boards (e.g., Promat).

• 2026 Advantage: Excellent for retrofits where existing ducts need an upgrade. It provides a clean, flat surface ready for architectural painting.

C. High-Gauge "Last Compartment" Steel

Under MS 2586-7:2015, some basement carpark ducts serving only one compartment may use 1.2mm (G18) thick steel without coating.

• Critical Note: This exemption is strictly for single-compartment basement use. Elevated car parks and multi-compartment runs must use treated fire-rated systems.

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3. Kitchen & Smoke Spill: The 2026 Specifics

System Type	2026 Requirement	EKG M&E Installation Standard
Kitchen Exhaust	2-Hour "Insulated" Rating	Stainless Steel 316 with Fire-Wrap
Smoke Spill	2-Hour "Integrity" Rating	Coated G.I. with High-Temp Hangers
Pressurization	1-Hour "Stability" Rating	Reinforced Joints & Intumescent Gaskets
Fire Dampers	Interlocked with MFAP	Motorized 24V Fail-Safe Dampers

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4. Support & Expansion: The "Hidden" Failure Points

Most 2026 audit failures occur not in the duct itself, but in the Hangers and Penetrations:

• Reinforced Hangers: Standard hangers will "elongate" or snap at 600^C. We use high-tensile threaded rods sized for the thermal load of the fire rating.

• Expansion Management: Steel expands by approximately 1.6mm per meter at 1000^C. Our 2026 designs include "Expansion Offsets" to prevent the duct from buckling and destroying fire-rated walls.

• Fire-Stopping: Every wall penetration is sealed with BOMBA-approved fire pillows or intumescent collars that expand to plug gaps during a fire.

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5. BOMBA 2026 Inspection Checklist

To pass your Form G/F and C1-C3 fire certificate audits, we provide:

• Material Certificates: Official test reports from SIRIM or Exova/UKAS accredited labs.

• Installation Log: Proof that no site-modifications (cutting/drilling) were made to pre-coated sections, which voids the fire rating.

• Fogging Test Support: We assist with the "Smoke Machine" simulation to prove your smoke spill system hits the mandatory 10 Air Changes Per Hour (ACH).

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Why Trust EKG M&E for Fire-Rated Systems?

• 34 Years of Engineering Depth: We understand the "Physics of Fire." We ensure your fan's Static Pressure calculation accounts for the added weight and internal friction of fire-rated coatings.

• Turnkey Compliance: From BIM-coordinated design to the final BOMBA inspection, we manage the entire life-safety lifecycle.

• Quality Assurance: We use only Third-Party Accredited materials, ensuring your building's insurance and legal standing are fully protected.