Pemko 434_NBL Automatic Door Bottom


  • Smooth action, positive seal mechanism.
  • All Pemko automatic door bottoms consist of an aluminum case which surrounds a movable drop-bar seal.
  • The drop-bar seal is actuated by a plunger which contacts the jamb as the door is closing, forcing the drop-bar seal down against the floor / threshold.
  • Low Closing Force and Fully Mortise Application means this Drop Seal satisfies requirements for ANSI A117.1 and ADAAG 2010
  • This automatic door bottom is supplied with a Nylon Brush ("NB") insert - item number P516062.
  • Standard color for this part is black, but it is also available in gray.


Air Infiltration Tested Air Infiltration Tested

Barrier-Free Barrier-Free

BHMA Certified BHMA Certified

Smoke Tested - UL1784 Smoke Tested - UL1784

Fire Rated - UL10C - Positive Pressure Fire Rated - UL10C - Positive Pressure

Underwriters Laboratory 4L10 Underwriters Laboratory 4L10

GREENGUARD Gold Certified GREENGUARD Gold Certified


A - Mill Finish Aluminum 434ANBL: A - Mill Finish Aluminum Aluminum with Black Nylon Brush insert

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