We have had a set of stairs installed. They were made with plain 1.5 inch
plywood (3/4" doubled) because we wanted to finish them to match our floor.
I have pleanty of flooring planks to do the job and even haf the stair
noses and everything. I am looking for ideas on how to finish the edges.

The stringers extend above and below the risers on either side so that the
flooring would have to meet flush with the stringers, creating an interior
right angle. However, the flooring is supposed to have 1/4" on either side
for expansion and contraction, wich would leave a 1/4" gap between the
stringer and the flooring. I could simply use moulding, but don't know how
I would extend it around the curved stair nose. My contractor has
suggested a clean bead of paintable caulk might be my best option, and that
might be what I'm stuck with, but I'd rather do something a little nicer,
if I can come up with any ideas.

Unfortunately, dissassembling the stairs is not an option.

A cross section of the stairs looks something like this:

\ \
\ ----- \
\ | \
\ | \
\ | \
\ | \
\ ----- \
\ | \
\ | \
\ | \


Any advice would be welcome.

tia