Trimlock Ltd.
Building Products Listing Program
- Trimlock Ltd.
- Steel Siding
- Lethbridge, Alberta Canada
- B1167-1
- B1167-1 Edition 1
- February 26, 2026
- February 26, 2026
- N/A
-
CAN/ULC S134-13 [R2018]
ASTM E2273-2018
Standard Methods for Fire Tests of Exterior Wall Assemblies.
Standard Test Method for Determining the Drainage Efficiency of Exterior Insulation and Finish Systems (EIFS) Clad Wall Assemblies.
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FR-Inter-Lock insulated steel cladding.
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Product is marked with labels supplied by Trimlock with the following information:
•Manufacturer’s Name.
•Product Name.
•Date of Manufacture.
•QAI file number: B1167
•QAI logo with “c” indicator
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Trimlock CAN/ULC S134 exterior wall assemblies:
QAI Design #
Approved Products
Flame Spread
Heat Flux at 3.5 m (11.5 ft)
Max. Thickness
Conditions of Use
FR-Inter-Lock Steel Siding
< 5.0 m
(16.4 ft).
< 35 kW/m2
(11,100 BTU/hr·ft2).
51mm
(2in).
Installation to be in accordance with QAI Design B1167-1A
Trimlock FR-Inter-Lock insulate cladding achieved a drainage efficiency of 99.3% when tested in accordance with ASTM E2273.
The materials, products or systems listed in this directory have been qualified to bear the QAI Listing Mark under the conditions stated with each Listing. Only those products bearing the QAI Listing Mark are considered to be listed by QAI.
The standard herein listed is the currently accepted version within the relevant certification scheme, code or other requirements unless otherwise noted. Transition periods may apply. Upon request, QAI will provide information about the validity of any of its certifications.
No warrantee is expressed or implied, and no guarantee is provided that any jurisdictional authority will accept the Listing found herein. The appropriate authorities should be contacted regarding the acceptability of any given Listing.
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