On occasions when end grain is exposed on a project that is to be
painted, would it make sense to use wood glue as a filler to clean up
the end grain? Just smear on a light coating of glue to cover up the
That's called "sizing". It's more often done when you're
planning to glue the end grain to something, to stop the
grain from soaking up all the glue and starving the joint.
I'd probably use shellac instead if you're just looking to
seal the surface for a smooth paint coat.
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