Intertek Directory of Building Products

National Custom Hollow Metal 20-180 Minute Stainless Steel Doors Company: National Custom Hollow Metal Doors and Frames

Products Covered
Stainless Steel Single Swing Doors and Stainless Steel Pair Doors
Ratings
Single Swing Door Ratings
The door assemblies are designed for the protection of openings in walls for up to and including 3 hour locations.  (See limitations below.)  This product is listed for fire resistance only.
Pair Door Ratings
The door assemblies are designed for the protection of openings in walls for up to and including 90 minute locations. (See limitations below.)  This product is listed for fire resistance only.
Limitations

Hardware Limitations:  Cylindrical / Cylindrical with Deadbolt / Mortise / Card Reader / Surface-Mounted or Concealed Vertical Rod Fire Exit Devices / Rim-Type Surface Mounted Fire Exit Devices / Surface or Mortise Flush Bolts / Surface Mounted or Mortised Door Bottoms / Surface Mounted or Concealed Closers / Viewers / Raceway / EPT / Magnetic Switch / Plant-Ons / Protection Plates / Louver / Vision Kit.
Single Swing Door Limitations:
 
Application (min) 20-45 60-180
Configuration Single Single
Maximum Size 4'0" x 8'0" 4'0" x 8'0"
Latch Throw Req. 5/8" 3/4"
Latching Single Point Single Point
Core Honeycomb or Fiberglass (Positive Pressure)

EPS Foam (Neutral Pressure)
Honeycomb or Fiberglass (Positive Pressure)

EPS Foam (Neutral Pressure)
Edge Seam Interlock Seam, Overlap Joint Seam, Lap Joint Seam, Butt Edge Seam Interlock Seam, Overlap Joint Seam, Lap Joint Seam, Butt Edge Seam

Pair Door Limitations:
Application (min) 20 45-90
Configuration Pair Pair
Maximum Size 8'0" x 8'0" 8'0" x 8'0"
Latch Throw Req. 5/8" 3/4"
Latching Minimum 3 Point (Single Point on Active and Two Point [Top and Bottom] on Inactive) Minimum 3 Point (Single Point on Active and Two Point [Top and Bottom] on Inactive)
Astragal Required No Yes
Type of Astragal N/A Flat, Z or H
Core Honeycomb or Fiberglass (Positive Pressure)

EPS Foam (Neutral Pressure)
Honeycomb or Fiberglass (Positive Pressure)

EPS Foam (Neutral Pressure)
Edge Seam Interlock Seam, Overlap Joint Seam, Lap Joint Seam, Butt Edge Seam Interlock Seam, Overlap Joint Seam, Lap Joint Seam, Butt Edge Seam
Listing Report Return to Search
Attributes
CriteriaCAN / ULC S104 (2015) (R2020)
CriteriaUL 10(c) (2016) Ed. 3 (R:27 May 2021)
CriteriaNFPA 252 (2022)
CSI Code08 11 00 Metal Doors and Frames
Fire Resistance45 Min Neutral Pressure
Fire Resistance90 Min Neutral Pressure
Fire Resistance3 Hour Neutral Pressure
Fire Resistance60 Min Neutral Pressure
Fire Resistance45 Min Positive Pressure
Fire Resistance90 Min Positive Pressure
Fire Resistance60 Min Positive Pressure
Fire Resistance3 Hour Positive Pressure
Fire Resistance20 Min Neutral Pressure
Fire Resistance20 Min Positive Pressure
Listing SectionDOORS
Spec ID43631
Design Documents
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