Intertek Directory of Building Products

Next Door Steel Fire Doors Vertically Stiffened Company: Next Door Company

Steel Fire Doors (Single Swing & Pairs, including Double Egress) for installation in 20 minute to 3 Hour locations.
MAXIMUM SIZES
  1. Standard Pairs may be installed with 3-point or 4-point latching.
    a) 3-Point is prepped for single point latch on the active leaf and a top and a bottom latching on the inactive leaf.
    b) 4-Point latching is prepped for top and bottom latching in both leaves.
  2. Double Egress Pairs shall be installed with 4-point latching only.
  3. Astragals requirements on pairs as follows:
       Astragals are required  on 3 Hour Pairs 
       Astragals are optional on 1-1/2 Hour or less Pairs
Single Swing Doors
Maximum Width:  4'0"
Maximum Height:  8'0"
Minimum Thickness:  1.6875"
Standard Pairs
Maximum Width:  8'0" ( 4"0" each leaf )
Maximum Height:  8'0"
Minimum Thickness: 1.6875"
Double Egress Pairs
Maximum Width:  8'0" ( 4'0" each leaf )
Maximum Height:  8'0"
Minimum Thickness:  1.6875"
Evaluated to the following:
Unless otherwise noted, assemblies in this section have been evaluated for conformance to the following standards:
CAN/ULC-S104, Standard Method for Fire Tests of Door Assemblies
NFPA-252, Standard Methods for Fire Tests of Door Assemblies
UL 10(b),
Standard for Fire Tests of Door Assemblies
UL 10(c), 
Standard for Positive Pressure Fire Tests of Door Assemblies
and are installed in accordance with the following:

NFPA-80, Fire Doors and Windows & Manufacturer's Instructions.

All assemblies are identified by a label or marking bearing the wording, "Listed (Product)", a time interval, temperature rise (if applicable), a serial number and the WHI Certification Mark.
(Unless otherwise specified, all Fire Doors have a nominal thickness of 1-3/4".)

 
Listing Report Certificate of Compliance Return to Search
Attributes
Certificate Date of ExpiryDecember 31, 2026
Certificate Date of Initial RegistrationJanuary 1, 2013
Certificate NumberWHI13-20839101
CriteriaCAN / ULC S104 (2015) (R2020)
CriteriaUL 10(b) (2008) (R2015)
CriteriaUL 10(c) (2016) Ed. 3 (R:27 May 2021)
CriteriaNFPA 252 (2022)
CSI Code08 11 00 Metal Doors and Frames
Fire Resistance20 Min w/Hose Stream PP Cat A Door
Fire Resistance45 Min Neutral Pressure
Fire Resistance60 Min PP Category A Door
Fire Resistance90 Min Neutral Pressure
Fire Resistance3 Hour Neutral Pressure
Fire Resistance3 Hour PP Category A Door
Fire Resistance90 Min PP Category A Door
Fire Resistance45 Min PP Category A Door
Fire Resistance60 Min Neutral Pressure
Fire Resistance20 Min Neutral Pressure
Listing SectionCATEGORY A - DOORS - NO ADDITIONAL EDGE-SEALING SYSTEM REQUIRED
Spec ID29919
SwingSingle Swing
SwingStandard Pairs
SwingDouble Egress
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