EPS Panel Semi-fireproof material, flame retardant material EPS Panel Gwang Steels cap panel product, which uses semi-fireproof, phenol resin, and foaming polystyrene, is not burnt in fire Fire insurers laboratories of Korea recognized Gwang Steel cap panel, which passed strict fire test, as fire safety product. Perfect waterproof : Surface waterproof function is excellent and it shows excellent waterproof and humidityproof effect in rainy season. Excellent economical efficiency : It is economic because of products standardization, quick construction and labor fee reduction. Sanitary environment : Its surface is the zinc galvanized steel plate painted with fluorine or silicon polyester, which creates sanitary environment because it can be easily cleaned up.