YHC 300 SSG Curtain Wall System DOOR FRAMING MEMBERS FOR 4-SIDED SSG CASSETTE GLAZING E9-3230 SECTION 20 STANDARD TRANSOM BAR (GASKETED) SECTION 21* WATER RESISTANT THRESHOLD Effective Date: August 16, 2018 | 04-1010-05 AS-0501 AS-0501 E9-3234 22 E9-3233 E9-3230 E9-3234 E9-3232 SECTION 20A STANDARD TRANSOM BAR (TAPED) SECTION 21A** AIR TIGHT THRESHOLD **NOT APPROVEDE FOR FLORIDA Page-23