CL4 Fire
Building Products Listing Program
- CL4 Fire
- Mineral-fiber Fireproofing Materials – Ventilation Ducts
- F476-1
- F476-1
- Oct 27, 2022
- September 14, 2023
- N/A
-
CAN/ULC S102 Standard Method of Test for Surface Burning Characteristics of building Materials and Assemblies. ISO 6944 Fire Resistance Tests – Ventilation Ducts -
CL4Fire Blue Label Mineral-fiber Fireproofing Insulation
CL4Fire Red Label & CL4Fire Code 96 Mineral-fiber Fireproofing Insulation -
Label(s):
Each product of CL4Fire is ink stamped with the following information:
• QAI Logo with “c” and “us” indicators.
• Manufacturer’s name or trademark.
• Country of manufacture.
• QAI file number (F476-1).
• Traceability information.
-
CL4Fire products have surface burning characteristics determined in accordance with CAN/ULC S102 as outlined below.
Product Thickness Inches (mm) Nominal Density lbs/ft3 (kg/m3) Flame Spread Index Smoke Developed Index CL4Fire Blue Label 1 ½ (38 mm) 8 (128) 10 10 CL4Fire Red Label 1 ½ (38 mm) 6 (96) 10 10 CL4FIRE Code 96* 1 ½ (38 mm) 6 (96) 10 10 Note: CL4Fire Code 96 follows all the same installation requirements as CL4Fire Red Label but has an integral wire mesh per NFPA 96 4.2.3.2 for added support.
CL4Fire Ventilation Duct Ratings for Use in ISO 6944 Required Assemblies
Design: Product Installation Minimum
Thickness
inches
(mm)Nominal
Density
lbs/ft3
(kg/m3)Fire
Rating
Achieved
HoursF476-1B1.5-
FRD-60CL4Fire
Blue
Label1 Layer
Compressed
Butt Joint1 ½
(38)8
(128)1 F476-1B1.5-
FRD-1201 Layer
Minimum 3 inch
(76 mm) Joint
Overlap1 ½
(38)8
(128)2 F476-1R1.5-
FRD-60CL4Fire
Red
Label &
CL4Fire
Code 961 Layer
Compressed
Butt Joint1 ½
(38)6
(96)1 F476-1R1.5-
FRD-1201 Layer
Minimum 3 inch
(76 mm) Joint
Overlap1 ½
(38)6
(96)2 CL4Fire is limited for use to ventilation ducts of the following:
• Maximum Duct Size: 2064 in2 (13,316 cm2) with maximum 86 in. (218 cm)
dimension.
• Minimum duct gauge of 22 gauge (0.64 mm).
• Ducting is limited to rectangular, square or circular cross-section.
• Ducting is to conform to Sheet Metal and Air Conditioning Contractors’ National
Association (SMACNA) requirements.
• Product is to be installed per this listing.Please refer to the Listing Document Link at the top of the page for Installation information
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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