FRP Roofing Sheet is a kind of natural lighting product which is shaped through automated machine. It is composed of non-soda fiberglass, reinforced polyester resin, high-performance and anti-ageing film (or gel) and additives. Dongyu FRP sheet is highly appraised by all customers because of its special properties: bright and clean appearance, light weight and high performance, high light transmittance, anti-corrosion, fireproofing, accurate cross-section size, no water seepage, optional length, easy installation and long service life (as long as 15-30 years). It can provide natural lighting for a large variety of buildings, such as animal barns, greenhouses, industrial workshops, residential buildings or be used as wall lighting, cover plate and base plate of solar water heater.