Here is a larger version of that photo. We haven't gone over the top of the stringers yet, still trying to figure that one out.
The more I look at it, the more it looks like it needs more strength, really hard to tell though. Looks like it has good penetration. On a side note, what thickness wood did you use for your floor boards? We are using 1/2" OSB sanded on one side.
http://i678.photobucket.com/albums/v...ps1a6f29ff.jpg

