Pemko 420AVL Full Mortise Automatic Door Bottom for Hollow Metal Doors, Mill Finish Aluminum

Usually Ships: 2-3 Days
  • For hollow metal doors
  • Maximum drop is 1/2″
  • Fire-Rated and Smoke Tested

Available Options:


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 that contacts the jamb as the door is closing, forcing the drop-bar seal down against the floor/threshold.

420AVL: A – Mill Finish Aluminum with Gray Eco-V insert


  • Air Infiltration Tested Air Infiltration Tested
  • Sound Tested – ASTM E90 Sound Tested – ASTM E90
  • 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


36", 48"



Fire Rating

Fire Rated – UL10C – Positive Pressure


A – Mill Finish Aluminum