Inquiry (采购产品): sealant I need a clear sealant for a mural on an exterior wall. The wall is cinder block with a masonary sealer under the mural. The mural was painted with acrylic, water based paints. The sealant needs to dry totally clear. Does Benjamin Moore have such product. Thank you, Deborah **** Hidden Message ***** Deborah Ballantine 21853 USA Company: none E-mail: dltballantine@wmconnect.com **** Hidden Message ***** dltballantine@wmconnect.com