Duowei Union Group Co., Ltd.
Building Products Listing Program
- Duowei Union Group Co., Ltd.
- Insulated Metal Wall Panels
- Tiajin, China
- B1126-1
- B1126-1
- August 31, 2021
- May 5, 2026
- N/A
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CAN/ULC S102-18
Standard Method of Test for Surface Burning Characteristics of Building Materials and Assemblies.
CAN/ULC S126-14
Standard Method of Test for Fire Spread Under Roof Deck Assemblies.
CAN/ULC S101-14
Standard Methods of Fire Endurance Tests of Building Construction and Materials.
CAN/ULC S114-18
Standard Method of Test for Determination of Non-Combustibility in Building Materials.
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Duowei Rock & Glass Wool Sandwich Wall Panel Systems from 75 mm – 150 mm (3 inches – 5 inches) Thickness.
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Each panel is marked with a permanent label containing the following information:
a)Manufacturer’s name or recognized trademark
b)Product name
c)Date of manufacture
d)QAI file number: B1126
e)CAN/ULC-S102 Flame Spread Index and Smoke Developed Index (FSI = 0 / SDI = 0)
f)CAN/ULC S114 Non-Combustible
g)QAI logo shown here: -
The following outlines Duowei Rock & Glass Wool Sandwich Wall Panel System performance determined in accordance with the noted standards. The ratings outlined in the tables below are achieved in assemblies that are defined in the QAI Design Listings.
Duowei Insulated Metal Panels Surface Burning Characteristics per CAN/ULC S102:
Model(s)
Flame Spread Index Max.
Smoke Developed Index Max.
Thickness Maximum
Mineral Wool Core
≤ 25
≤ 50
75 – 150 mm
3 – 6 inches
Duowei Insulated Metal Panels results of evaluated to CAN/ULC S126:
Model(s)
Results
Thickness Max.
Mineral Wool Core
Complies
75 – 150 mm
3 – 6 inches
Duowei Insulated Metal Panels results of evaluated to CAN/ULC S114:
Model(s)
Results
Thickness Max.
Mineral Wool Core
Non-Combustible
75 – 150 mm
3 – 6 inches
Duowei Insulated Metal Panels per CAN/ULC-S101 Non-Loadbearing Walls and Partitions
QAI Design #
Model:
Fire Resistance Rating:
Minimum 100 mm (4 Inch) Mineral Wool Core Panels 13 mm (1/2’’) exterior Type X gypsum sheathing anchored into steel studs, with interior 16 mm (5/8’’) Type X gypsum wall board.
Non-combustible insulation optional.
1-Hour
Interior Facing FireNon-load Bearing
Note 1: See design listing B1126-1a for installation details.
Duowei Insulated Metal Panels building envelope ratings determined with ASTM E283 and ASTM E331:
QAI Design #
Thicknesses
Air Leakage
ASTM E283 L/s*m2
Water Penetration
ASTM E331
@ 75 Pa
@ 300 Pa
@ 300 Pa
@ 720 Pa
75 – 150 mm
3 – 6 inches
< 0.02
< 0.02
No Leaks
No Leaks
Note 1: See design listing B1126-1a for installation details.
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.
Visit the QAI Online Listing Directory located at www.qai.org for the most up to date version of this Listing and to validate that this QAI Listing is active. Questions regarding this listing may be directed to info@qai.org. Please include the listing number in the request.






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