ULTRA GLUE MATT matt finish makes it perfect even for use over painted surfaces. This formula is also perfect for all types of cardboard building materials, various types of paper or laser-cut cardboard, and wood. You can also use it when creating dioramas to firmly secure groundwork products. ULTRA GLUE MATT can be precisely applied with a brush and can be diluted and cleaned with water. Dries to a completely transparent matt finish in 24 hours.