US Formliner—Design Your Concrete! This is both a challenge and an opportunity at the same time. Based in Athens, GA, US Formliner is a producer of formliners for the design of architectural concrete to the highest design standards. Our team is the first point of contact for planners and architects looking to implement unique ideas. US Formliner & RECKLI products have been used in pre-cast concrete plants and on construction sites worldwide for 45 years.