How do flush mount end plates impact the cost and lead time compared to typical joist seats? Also, can flush mount seats be utilized when framing into joist girders?

There is a higher cost for a flush frame end connection due to the additional material and labor associated with the special end connection compared to the standard bearing seats. They can be used to frame joists or structural steel into with Joist Girders. A small number of flush frame connections will not affect lead times; however, large numbers of these connections will required longer lead times.