I am just getting into edge gluing to make wide boards, say around 18
inches. Each time that I try the finished board seems to warp across the
board. I am positive that the board was flat in the clamp and stayed there
for a few days.

Should I use several narrow boards or a couple of wider boards? Is the end
grain at the end of the boards important?

Thanks for your help.


--
Garry Collins
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