As Taiwan’s high-tech manufacturing and public infrastructure sectors raise their standards for fire safety, the need for independent inspection of fire-resistant duct systems has become increasingly urgent.
Liansuo Construction Technology Co., Ltd. recently announced that it has officially obtained certification for Fire-Resistant Duct Inspection Services. Building upon its existing certified firestop inspection services, this achievement fills another critical gap in Taiwan’s fire safety inspection framework.
International Standard Compliance Ensures Fire Integrity
Liansuo’s inspection services strictly adhere to the ISO/IEC 17020 international standard for inspection bodies and IAS accreditation requirements. All inspections are performed by internationally authorized professional inspectors.
The primary applicable international standards include:
- ASTM E3385: Standard Practice for On-Site Inspection of Fire-Resistant Duct Systems
- UL 2221 and ASTM E2336: Test Methods for Fire-Resistive Grease Duct Assemblies
- ASTM E2816: Standard Test Method for Fire-Resistive Metallic HVAC Duct Assemblies
- ISO 6944-1: Fire Resistance Tests for Ventilation Ducts
By following these standards, fire-resistant ducts can maintain structural integrity under fire conditions, effectively preventing the spread of flames and smoke.
Wide Service Scope Covering Critical Facilities
The newly certified inspection services apply to a broad range of building types and systems, including:
- Kitchen exhaust systems: Prevents rapid fire spread through exhaust ducts
- HVAC ductwork: Maintains fire compartmentation and installation quality
- Hazardous ventilation systems: Enhances fire safety in high-risk environments such as chemical plants and laboratories
Comprehensive Process with Traceable Records
Liansuo’s inspection process includes:
- Review of technical documentation and material specifications
- On-site verification of structure, fireproofing materials, and hanger reinforcements
- Issuance of inspection reports, along with follow-up rectification and reinspection
Each inspection generates a fully traceable set of records—checklist, photos, and report—providing reliable documentation trusted by insurance companies, government authorities, and facility owners.
Bridging Regulatory Gaps to Enhance Industrial Safety
For years, Taiwan has lacked an independent inspection mechanism for fire-resistant duct systems, creating a compliance gap between local safety management and international standards.
Liansuo’s certification marks a major advancement:
- Filling the regulatory gap: Together with firestop inspection, it forms a complete life safety defense system
- Enhancing public safety: Improves the reliability of fire-resistant ducts and reduces fire risk
- Aligning with international standards: Promotes harmonization between Taiwan’s fire safety inspection system and global norms, supporting industrial development
Although fire-resistant duct inspection involves technical details, it plays a critical role in controlling fire risk.
Liansuo Construction Technology’s new inspection service not only represents a leap in corporate expertise but also serves as a key enhancement to Taiwan’s overall fire safety framework. With tightening regulations and ongoing industrial upgrades, independent inspections are set to become a vital cornerstone of future fire safety management.
