Pemko STC411_PK Automatic Door Bottom


  • United States Patent Number 8,925,250 B2
  • Independent testing has shown that the PDB Series Automatic Door Bottom has "sealed-in-place" type performance
  • PDB Series Automatic Door Bottoms help to meet ANSI Standard S12.60-2002, Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools
  • Also helps school projects earn LED IEQ School Specific Credits for Enhanced Acoustical Performance
  • Tested in accordance with ASTM E 90-2009
  • Tested to ANSI/BHMA A156.22-2011, Door Gasketing Systems
  • Tested in accordance with UL 1784-2001 Air Leakage Tests of Door Assemblies
  • Meets the performance criteria for allowable air leakage as specified in NFPA 105-99 Installation of Smoke Control Door Assemblies
  • Category J and H gaskets for use with classified steel covered composite, hollow metal doors rated up to and including 3 hours; wood and plastic covered composite doors rated up to and including 1-1/2 hours; and wood core doors rated for 20 minutes without hose stream
  • Designed to have a maximum drop of 1/2"
  • Available in any size ranging from 18" to 72"


Air Infiltration Tested Air Infiltration Tested

Sound Tested - ASTM E90 Sound Tested - ASTM E90

BHMA Certified BHMA Certified

Smoke Tested - UL1784 Smoke Tested - UL1784

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

GREENGUARD Gold Certified GREENGUARD Gold Certified


A - Mill Finish Aluminum PDB411AE: A - Mill Finish Aluminum Aluminum, EPDM Insert

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