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"