" Duck canvas" refers to a sturdy and durable fabric that is commonly used for making products like bags, tents, and work clothing. It gets its name from the tightly woven weave pattern, which resembles the feathers on a duck's back. Full definition
Below you can see 3 of the shown artworks — inspired by graphic and geometric shapes and created with acrylic and spray paint on primed duck canvas. (weandthecolor.com)
Rail: Another thing I noticed about this group of paintings in the show was that they were painted on beautiful primed linen, the opposite of the raw cotton duck canvas which allows for the natural absorption of the paint's liquidity as it often is associated with color field paintings by Helen Frankenthaler, Morris Lewis, and Kenneth Noland, among others. (brooklynrail.org)
Augustine Kofie, Signs of Fatigue, acrylic and spray paint on duck canvas, Structurally Sound, White Walls, San Francisco (drosteeffectmag.com)