We love this product. It is what it says it is, a Matte finish spray, and it adheres well.
Deco Art Americana Acrylic Sealer/Finisher Matte Spray 12 oz. can
*Clear protective, non-yellowing, water-proof coating.
Provides permanent protection to all painted finishes while intensifying the color.
*Due to being hazardous material, this product cannot be shipped air freight.
I sprayed a surface 46" x 24" as a barrier coat between the background and the painting to follow. It was easy to apply and I was happy with the results.