. She showed that bees will coat > rough wood, but not necessarily smooth wood, with propolis. Mann Lake, > Dadant should take note. Plane the outside of the board to facilitate > paint, > etc., but leave the backside (inside) rough. > Some considerable years ago, when one could by board ends from the mill, I purchased a couple pallet loads of shiplap that were planed on one side only. Made lots of supers with these and still many in service. They indeed have more propolis than any of my smooth supers. Can't get board ends here any more. [:>( Alden Marshall B-Line Apiaries Hudson, NH *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm