Downtown Bangor’s Wheatpaste Mural Project is back and looking for artists Wheatpaste art uses flour and water, like wallpaper paste, as part of the process of putting up the murals because it makes them easy to be removed in the fall. Author: Bob Evans (NEWS CENTER Maine) Published: 5:33 PM EDT April 21, 2021 Updated: 6:30 PM EDT April 21, 2021 BANGOR, Maine — Downtown Bangor’s Wheatpaste Mural Project is back again this year and organizers are looking for artists to take part. The Downtown Bangor Partnership and its partner Launchpad are targeting at least 15 new murals to be selected and installed throughout Downtown Bangor this year.