On Fri, 12 Nov 2004 13:46:22 UTC, "IMM" wrote:

Is there any preference between straight cut ( |_| ) or 'U' shape
notches
Makes no difference.
of corse it makes a difference! a joist with a smoothly shaped "U"
will be far stronger than a straight cut slot.

nope. Regs say no problems with a straight cut. Duh!

He never mentioned the regs. But structurally, a U shape will be
stronger. Read the famous 'Structures' book...

--
Bob Eager
begin a new life...dump Windows!