What is the most common method to seal the ends of b-deck to keep the wet concrete from pouring out?
Yes, this stuff is for the ends of the deck.http://steeldeck.d-macindustries.co...m/viewitems/roof-and-floor-deck-accessories-3/roof-and-floor-deck-accessories-2
The vendor you buy it from will sell various shapes for use as ends, sides and closures.