Firestop Engineering
FM 4991 Certified Contractor — One of Very Few in Asia
Fire compartmentation is the core mechanism of passive fire protection — TKC takes responsibility for the safety of every firestop node with FM 4991 certification
What FM 4991 Certification Means
FM 4991 is the world's most rigorous firestop contractor certification standard. Holding this certification means: not only are products certified, but the construction process, personnel, and management system all meet FM's highest international standards.
Asia Market Reality
The vast majority of firestop contractors in Asia only hold product certifications, not construction certifications. TKC is one of very few suppliers in Asia holding both product certification (FM 4440) and construction certification (FM 4991).
Material Selection
Only FM certified firestop materials used, each with corresponding certified installation methods
Method Application
Strict adherence to FM certified installation methods, ensuring firestop nodes meet testing standards
Construction Management
FM 4991 certified construction management system, full control from material arrival to completion
Archive Management
Traceable tags + construction archive, every node traceable and verifiable
Insurance Value
FM 4991 certification directly corresponds to FM insurance audit requirements, one-time pass
Rare in Asia
One of very few FM 4991 certified firestop contractors in Asia
Four Core Services
FM 4991 Certified Firestop Engineering
TKC is one of the very few FM 4991 certified firestop contractors in Asia. Certified materials + certified methods + certified construction management, fully aligned with the highest international insurance standards.
Fire Compartmentation Integrity Testing
Using ILAC MRA accredited laboratory equipment to conduct airtightness testing on building enclosures, quantitatively assessing fire compartmentation integrity and issuing third-party recognized reports.
Test-Diagnose-Repair-Verify Closed Loop
One organization, from problem discovery to result delivery. TKC leads the entire process: on-site testing → defect diagnosis → firestop repair → re-verification, delivering directly verifiable results.
Traceable Tag Archive System
Every firestop node is equipped with a traceable tag, establishing a complete construction archive supporting FM insurance audits, project completion acceptance, and subsequent maintenance management.
"Test—Diagnose—Repair—Verify" One-Stop Closed Loop
One organization, from problem discovery to result delivery. Clients only need one call.
On-site airtightness testing, quantitative assessment of fire compartmentation integrity
Defect location and analysis, identifying firestop failure nodes and causes
FM certified materials + methods, precise repair of each firestop defect
Re-verification testing, issuing ILAC MRA recognized third-party report
Firestop Node Type Coverage
FM 4991 Certificate of Compliance
FM Approvals
Class 4991
Firestop Contractor Certification
Certified Company
Shanghai Tengxi Construction Eng Co Ltd
Approval Identification
PR449887, RR245394
Approval Granted
10 April 2025
Verify At
www.approvalguide.comFM 4991 is the world's most rigorous firestop contractor certification, issued by FM Approvals (FM Global Group). TKC is one of very few suppliers in Asia holding both product certification (FM 4440) and construction certification (FM 4991).
Certified Material Brand Partners
TKC only uses FM certified firestop material brands
Start with a Free Safety Assessment
Speak with TKC's certified engineers for a systematic evaluation of your explosion protection and firestop systems against FM Global standards. We serve clients across China and Asia.