Intertek Directory of Building Products

Nystrom Access Door/Frame Assembly for Ceiling (Horizontal) and Wall (Vertical) Installation Company: Nystrom, Inc.

Access Door (20 gauge) / Frame Assembly (16 gauge) (Cold-Rolled Steel, Galvanized Steel, or Stainless Steel) (Insulated) (Recessed) (Key-Operated or Latch-Operated) for installation in Horizontal Floor/Ceiling Assemblies or Vertical Wall Assemblies.

Test Standard	Rating	Maximum Size of Openings
UBC 43.7	Horizontal Wood Framed Assemblies: 1 Hour Horizontal Non-Combustible Assemblies: 3 Hour	Horizontal Installation: 24" wide x 36" long (hinge side)
UL 10B, NFPA 252, and CAN/ULC-S104	Vertical Installation: 1-1/2 Hour	Vertical Installation: 36" wide x 36" high (Stainless Steel only)

Evaluated to the following:

All assemblies in this section are identified by a label or marking bearing the wording "Listed (Product)", a time interval, a serial number and the Warnock Hersey Certification Mark and are installed in accordance with the following:
NFPA-80, Fire Doors & Windows, or
National Building Code of Canada, and
Manufacturer's Instructions

Listing Report Certificate of Compliance Return to Search

Attributes

Certificate Date of Expiry	December 31, 2025
Certificate Date of Initial Registration	March 26, 2018
Certificate Number	WHI18– 20839801
Criteria	NFPA 252 (1995)
Criteria	UL 10(b) (1997)
Criteria	UBC 43-7
Criteria	UL 10(b) 2008 (R2009)
Criteria	CAN / ULC S104 (2015) (R2020)
CSI Code	08 30 00 Specialty Doors and Frames
Listing Section	ACCESS DOOR/FRAME ASSEMBLIES
Spec ID	23072

Design Documents

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Public Documents

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Warnock Hersey Mark

Intertek ETL Mark

ETL Listed Mark