Quote Originally Posted by rgsparber View Post
Like this? https://www.alliedelec.com/product/p...E&gclsrc=aw.ds

I had some PVC rain gutter and tried reforming it into a square U shape. Worked nicely!

Thanks,

Rick
Yup, that's the stuff.

Comes in several different large dimensions from large and square to very wide and shallow, which makes it a lot easier to find a dimension that suits one's particular use.