Glass Fiber Reinforced Polymer (GFRP) composites panels are lightweight, high‑strength sandwich structures that combine glass fiber mats with polymer resin matrices, delivering superior corrosion resistance and design flexibility for construction, transportation, and energy applications. The Glass Fiber Reinforced Polymer (GFRP) Composites Panel market size reached approximately USD 5.2 billion in 2025, and the market forecast projects a CAGR of roughly 6 % from 2026 to 2033, pushing the market toward USD 9.2 billion by 2033. This growth outlook is underpinned by macro drivers such as stringent carbon‑reduction mandates, rising demand for durable infrastructure, and rapid advances in resin chemistry that lower lifecycle costs. The market scope covers flat and curved panels across construction, transportation, energy‑utility, and industrial end‑users, with synonyms including GFRP sheet, glass‑fiber laminate panel, and composite decking.