So, what about oiling or otherwise treating the bare wood before glazing putty? Or is that another thing entirely? Christopher In a message dated 5/2/2013 7:53:32 A.M. Eastern Daylight Time, [log in to unmask] writes: An effective pre-treatment should not seal the wood. It should leave most of the wood cells at the surface open so the primer can still make a mechanical bond by soaking into the cells. About 40% of the bonding is mechanical and 60% of the bonding is chemical. -- **Please remember to trim posts, as requested in the Terms of Service** To terminate puerile preservation prattling among pals and the uncoffee-ed, or to change your settings, go to: <http://listserv.icors.org/archives/bullamanka-pinheads.html>