Hi
If  bottom bars are approx 28mm wide and frame spacing is about 37mm apart
then less brace comb will be built on the side faces of the bar...but if too
much space is allowed under such bars then comb may be built under and from
them.
Regards Dave Cushman

----- Original Message -----
From: William Morong <[log in to unmask]>
Subject: Frames and ladder? comb