FRP daylighting board (FRP glass fiber reinforced polyester daylighting board) has high rigidity, good toughness, easy construction and installation, good flame retardancy, using flame-retardant series resin; the thermal conductivity of Haichang board is only 0.18w/mk; there is anti-corrosion Corrosion ability; light transmittance 80%-85%. FRP daylighting panels are widely used in various steel structures, grid-framed workshops, the transformation of old workshops and warehouses, the addition of floors to buildings, and the corridors between buildings.