Intertek Directory of Building Products

Michbi Fire Doors Company: Michbi Doors, Inc.

Steel Faced (18, 20 gauge) (Honeycomb Core Type) Swinging flush Door for installation in up to 1-1/2 hour locations. For use in listed (3 sided) 16 gauge welded steel frames meeting UL-63 or as per frame manufacturer's listing(s).

Limitations: Mortise or Cylindrical Latches with maximum 2-3/4" Backset/Mortised Exit Devices/Surface Mounted Vertical Rod Fire Exit Devices/Rim Type Fire Exit Devices/Deadbolts/Surface Bolts/Automatic Flush Bolts/Surface Mounted Closers/Edge Guards/Surface Mounted Protection Plates/Viewers/Louvers/Electric Raceway/Vision Light Kit - Maximum 1296 sq.in. (20/45 minutes); Maximum 100 sq.in. (60/90 minutes)/Surface Mounted or Mortised Door Bottoms/"Z" Astragal Required on all pairs/Temperature Rise - Greater than 650°F @ 30 minutes.
 
Configuration Maximum Size*
Single Swing 3'0" wide x 7'2" high
Standard Pairs 6'0" wide x 7'2" high
Double Egress Pairs N/A

Steel Faced (16, 18 gauge) (Honeycomb Core Type) Swinging flush Door for installation in up to 3 hour locations. For use in listed (3 sided) 16 gauge welded steel frames meeting UL-63 or as per frame manufacturer's listing(s).

Limitations: Mortise or Cylindrical Latches with maximum 2-3/4" Backset/Mortised Exit Devices/Surface Mounted Vertical Rod Fire Exit Devices/Rim Type Fire Exit Devices/Deadbolts/Surface Bolts/Automatic Flush Bolts/Surface Mounted Closers/Edge Guards/Surface Mounted Protection Plates/Viewers/Louvers/Electric Raceway/Vision Light Kit - Maximum 1296 sq.in. (20/45 minutes); Maximum 100 sq.in. (60/90 minutes)/Surface Mounted or Mortised Door Bottoms/"Z" Astragal Required on all pairs/Temperature Rise - Greater than 650°F @ 30 minutes.
 
Configuration Maximum Size*
Single Swing 4'0" wide x 8'0" high
Standard Pairs 8'0" wide x 8'0" high
Double Egress Pairs 6'0" wide x 7'0" high (1-1/2 hour maximum)

*See manufacturer's installation instructions for additional information on Smoke and Draft Control, size restrictions, and limitations.  Listed Category H smoke and draft gasket required for smoke and draft control applications.
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Attributes
CriteriaNFPA 252 (2008)
CriteriaUL 10(b) 2008 (R2009)
CriteriaCAN / ULC S104 (2010)
CriteriaCAN / ULC S104 (2015) (R2020)
CriteriaUL 10(b) (2008) (R2015)
CriteriaNFPA 252 (2017)
CSI Code08 11 00 Metal Doors and Frames
Fire Resistance45 Min Neutral Pressure
Fire Resistance90 Min Neutral Pressure
Fire Resistance3 Hour Neutral Pressure
Listing SectionDOORS
Spec ID27936
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