Fiberglass reinforced panels, or FRP, are thin, flexible plastic panels made of strong polyester resin reinforced with fiberglass. They are used on walls and ceilings and can be installed directly over drywall, wood, concrete block, and many other solid surfaces
Fibreglass is the term used in British English, Fiberglass expresses the same in US English. FRP stands for Fiber (fibre) Reinforced Polymeres – and again means the same thing. GFK which just is the abbreviation of the German term for it, Glasfaserverstärkter Kunststoff, often informally used, too