On Jan 1, 1:19*pm, William Bagwell
wrote:

Need to be extremely course. Some hobbyist builders use the points of drywall
screws to scratch up and roughen the surface of the wood. So this idea could
very well work.
--
William

I looked at the MSC catalog and their coarsest grit was 36 on sanding
belts. But I looked on the internet and found a place that sells
floor sanding belts that are 24 grit.

Dan