0854455 BC Ltd. Dba NWSM – DDK 2022
Building Products Listing Program
- 0854455 BC Ltd. Dba NWSM – DDK 2022
- Firestopping - Penetration Firestopping
- Surrey, British Columbia
- B1135-1
- B1135-1
- May 10, 2022
- May 10, 2022
- N/A
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CAN/ULC S115 Standard Method of Fire Tests of Firestop Systems
ASTM E814 Standard Test Method for Fire Tests of Penetration Firestop Systems -
Sheet metal In-Slab Ventilation Duct Systems
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Labels are applied to finished products to ensure visibility on the jobsite:
1. Manufacturers name or trademark
2. ASTM E814 and CAN/ULC S115 ratings (as applicable)
3. QAI Listing No. B1135-1
4. QAI Logo with ‘C’ and ‘US’ indicator shown below:
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The below outlines membrane penetration ratings of NWSM- DDK 2022 ventilation products determined in accordance with ASTM E814 / CAN//ULC S115:
NWSM – DDK 2022 In-Slab System – Fire-Stop Resistance
Design Listing Fitting Type Maximum Inlet Size (in2) Duct Height (in) Minimum Slab Thickness (in) Intumescent pad F, FH Rating (min) T, FTH Rating (min) B1135-1A Fire stopped Inlet boot 49 1-3/4 6 1 layer 120 90 Fire stopped Inlet boot 49 1-3/4 6-1/4 1 layer 120 120 Fire stopped Inlet boot 49 1-3/4 6 2 layers 120 120 Dual Fire Stopped Inlet Boot 98 1-3/4 6 2 layers 120 90 Fire stopped Inlet boot 49 1-3/4 8 2 layers 180 180 Standard Inlet boot 49 1-3/4 8 None 180 120 Dual Fire Stopped Inlet Boot 98 2 7 2 layers 120 90 Fire stopped Inlet boot 49 2 7 2 layers 120 120
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