I have a question. I'm not much of an art person so any info will be helpful. We are in the middle of a diorama renovation. We had a company come out, view the dioramas and give us recommendations on new exhibit designs. One of their recommendations was to use "De Mar Varnish (matte) to coat our oil painting murals so that we can make touch ups on it without damaging the original mural. Another suggestion they had was to use an odorless paint thinner over the murals. Has anyone used these materials or know anything about this product specifically. ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).