Intertek Directory of Building Products

Nystrom 3-Hr and 4-Hr Rated Horizontal Fire Door Assembly - FDF Series Company: Nystrom, Inc.

Product Description:
Nystrom 3-Hr and 4-Hr Rated Horizontal Fire Door Assembly - FDF Series
 
Approved for use in:
  • Minimum 8-in. thick concrete floor construction.  The door and frame assembly shall be cast or grouted in place in accordance with the manufacturer's installation instructions.
Load Capacity: 250 psf maximum

Approved Model Designations and Options:

Door is available with 1/4-in. thick diamond aluminum top plate, 1/4-in. thick flat aluminum top plate with 1/8-in. deep door pan for flooring installation, or 1/4-in. thick flat aluminum top plate with 1-in. deep pan for floor installation. Model designations are shown in the table below.

For a single point latch, max. width x length is 47.5 in. x 47.5 in. 
For a two-point latch system, max. width x length is 48 in. x 60 in.
 
MODEL LOAD MATERIAL WIDTH X LENGTH   OPTIONS
FDF
 
L – 250 PSF
 
A - Aluminum Max 48 in.   Max 60 in. SWL BI – Bolt-In Installation
MC6 – Mortise Lock
P1 – 1” Pan (up to 48x48 only)
PR – Recessed padlock hasp
SC – Self Closing mechanism
T1 – 1/8” Tile
3HR - 3 Hour Rating
4HR - 4 Hour Rating
 
 


RATING
 
Standard Rating
NFPA 288 3-Hr
4-Hr
Listing Report Certificate of Compliance Return to Search
Attributes
Certificate Date of ExpiryDecember 31, 2025
Certificate Date of Initial RegistrationApril 7, 2021
Certificate NumberWHI21-20839804
CriteriaNFPA 288 (2017)
CSI Code08 30 00 Specialty Doors and Frames
Fire Resistance3 Hour Fire Rated
Fire Resistance4 Hour Fire Rated
Listing SectionACCESS DOOR/FRAME ASSEMBLIES
Spec ID60205
Design Documents
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