Field Sound Transmission Class: The Series 2100 door has a field sound transmission class rating of FSTC 21. Field tests were performed by Bruck, Richards & Chaudiere, Inc. of Seattle, Washington following the procedures specified in ASTM designation E 336-77. (1)
Woodfold's Series 140, 220, 240, 440 and 540 have been tested for ADA compliance for opening load force per ADA/BOMA SEC 4.1311. Tests were conducted by MEI Charlton, Inc., Portland, OR. (5)
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