A form liner, also known as a formliner, is a material used to create decorative patterns or shapes on the surface of concrete. But it can also be described as a concrete formwork, texture mat, mold liner, pattern liner, or stencil liner. In architectural and civil engineering projects, the form liners are used to create visually appealing decorative concrete surfaces, including walls, columns, and facades. Concrete form liners are available in various materials, such as PVC, urethane, rubber, and polystyrene. Some other synonyms for the term form liner include formwork liner, concrete mold liner, patterned form liner, form liner texture mat, and textured form liners.