Hanging stair stringers from hanger board. Is this ok?
I need some stair advice. I am hanging stairs for my deck. The first stair is 7" from the deck surface (see picture), so the stringers cannot be attached to the double joist headers. This part of the deck is overhanging so there are no posts to attach another 2x8 below the header. Can I hang these stringers from a hanger board? (I glued and nailed a piece of 3/4" ply to the header so that it extended slow enough to hang the stringers) There are 11 stairs, so it is no small staircase. This is all how the old staircase was put together, but that doesn't mean it was right so I want to check with the forum. Also, I am adding a third stringer that wasn't there before to stiffen up the staircase.
Question 2: If the above is ok, can I use hangers like the USP CSH-TZ or should I glue and screw directly?
Thanks for the advice.