Fold-Edge construction doors in lieu ...

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Author Message Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 964 Registered: 05-2003 Posted on Tuesday, March 12, 2013 - 04:44 pm:    CAN SOMEONE EXPLAIN WHAT IS FOLD EDGE CONSTRUCTION IN REGARDS TO HOLLOW METAL DOORS? Wayne Yancey Senior Member Username: wayne_yancey Post Number: 577 Registered: 01-2008 Posted on Tuesday, March 12, 2013 - 04:56 pm:    Jerome, My best guess is it is the opposite of a seamless door which has a full flush edge, no visible seams along the vertical edge. Vertical seam edge is filled, dressed smooth. A full flush door shall has no visible seams in the faces but a full height vertical seam is permitted in door edges. See ANSI A250.8 Steven Bruneel, AIA, CSI-CDT, LEED-AP, EDAC Senior Member Username: redseca2 Post Number: 387 Registered: 12-2006 Posted on Tuesday, March 12, 2013 - 06:36 pm:    Not in HMMA 801. Googling randomly, I found an image of a door with "Fold Edge Construction" called out that shows the door edge as a single piece bent from one of the door faces so that the joint was right at the corner between the other door face and the door edge. This was in a scan of an old looking catalog from "Quality Engineered Products" of Tampa, Florida. Usually the seam is centered on the door edge, whether it is visible or filled in and ground smooth. Now for another old technical term: When I started here, the spec masters called for a "Dutch Bend Astragal" on one of a pair doors, which I let go out in our specs for years until an RFI pointed out that this was unknown terminology. What "Dutch Bend Astragal" intended to mean was an "integral astragal", per HMMA 801 "either face of a door in a pair, formed at its lock edge to overlap the adjacent leaf".