https://www.rbahelp.com/exit-devices/von-duprin-8827-bottom-latch-dragging-or-scrapping-on-floor/attachment/299/ Helpful Tips and Instructions for Commercial Door, Partition, Locker, Stair Treads, Window Parts, and Bleacher Concerns Wed, 08 Aug 2012 19:16:42 +0000 hourly 1