On Fri, 5 Mar 2010 12:09:58 -0800 (PST), JimK
wrote:

OP:- Could you just use decorators caulk on the horiz/vertical joins
you mention (step to stringer) assuming stringers to be painted.


Maybe. Difficult to get the right colour though.
And although caulk is flexible I find it does tend to crack after a
few years.
I something with the durability and flexibilty of silicone mastic but
paintable.
--

blackbat /\x/\