Replies

1. 
   JohnWW | Feb 15, 2007 05:58pm | #1

   The only way I have ever seen that type of edging done is to round the corners of the top, about a 1 1/2" radius, which allows you to wrap the edging around the corners without a break.  The two ends of the wrapped piece are then butted together in the center of the back side of the piece. 

   To do a square corner you would have to cut and bevel the ends of the pieces and probably glue them, at least at the corner, to keep the joint tight.  I'm not sure this is practical when working with a soft flexible plastic edging, but I would think that a simple grooved block of wood that you could mount the edging on would serve to hold the edging while you trimmed it off on a table saw or chop saw. 

   You could try posting your question on the regular Knots forum to see if someone there has a solution for your problem.

   John White

2. 
   cowtown | Feb 25, 2007 12:56pm | #2

   t-edging....

   buckling....

   well of course you are cutting a 90 degree notch in the T part of the moulding.

   But you might wanna consider cutting a 100 degree notch in the spline part of yer moulding, and allowing a an eighth inch "flat spot" so that it can wrap around the corner without distress. .

   If you've done all that, without any success, you might consider using a heat gun to generate a modicum of plasticity to allow yer t-moulding the opportunity to conform to what you want it to do.

   Running this stuff around corners, you wanna make sure your are well"tapped in" up to the corner, then apply tension as you wrap around the corner. Once you've turned a corner, you cannot go back to "tighten it up" cause all you do then is increase the length, which then screws up yer corners. So, tap the stuff in with a rubber mallet with a " forward glancing blow" that serves to tighten up and stetch as you go.

   Eric
   in Calgary.