On Mar 26, 1:54*pm, "charlie"
wrote:

construction glue (liquid nails) or silicone. the wood is going to move with
changing humidity, and anything stiff will soon break.


It's been a while since I removed it but now that you mention it, I
believe I discovered it had actually come loose and was being held in
place by gravity and the bead of caulk. Doesn't experience any load
bearing so I hadn't noticed it before removing it.