Intertek Directory of Building Products

Lynden 20 Min L20 MDF-R Fire Door Company: Lynden Door, Inc. (WA)

Wood Core Type (Particleboard Core) swinging flush door with MDF rails for installation in 20 minute (with hose stream) locations. For use in Listed (3-sided) 16 gauge welded steel frames meeting ANSI-A155.1/UL-63, or other Listed frames as per frame manufacturer's listing(s).  Doors are Catgory "B"  - an additional edge sealing system is required.

Limitations

Refer to Manufacturing and Machining specifications for specific requirements for each of the following.

  • Mortise latches
  • Cylindrical latches (2-3/4 in. backset)
  • Mortise or surface mounted exit devices
  • Rim exit devices
  • Listed cylindical deadbolts
  • Surface mounted closers
  • Listed viewers
  • Kick plates up to 16" high from bottom door edge
  • Metal edge guards
  • Mortise or surface mounted door bottoms
  • Vision panels permitted:
    • Max. Area: 1296 sq. in.
    • Max. Width: 24 in.
    • Max. height: 54 in.
    • Light cut-out must be no closer than 5 in. from the edge of the door or any other cut-out.

Maximum Size of Configuration

Single swing
3'0" wide x 7'0" high
Standard pairs and double egress
Not permitted
Listing Report Return to Search
Attributes
CriteriaUBC 7-2 (1997)
CriteriaUL 10(b) (2008)
CriteriaNFPA 252 (2008)
CriteriaUL 10(c) (1998) (R2001)
CriteriaUL 10(b) 2008 (R2009)
CriteriaUL 10(c) (2009)
CriteriaCAN / ULC S104 (2010)
CriteriaNFPA 252 (2012)
CSI Code08 10 00 Doors and Frames
CSI Code08 14 00 Wood Doors
Fire Resistance20 Min w/Hose Stream PP Cat B Door
Fire Resistance20 Min w/Hose Negative Pressure
Listing SectionCATEGORY B - DOORS - ADDITIONAL EDGE-SEALING SYSTEM REQUIRED
Listing SectionDOORS
Spec ID32734
SwingSingle Swing
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