The panel uses color steel sheet as surface material,and the core material is polystyrene foam plastic.the two materials are applied with high strength binder to form a high-efficiency compound panel.The thinckness of the EPS is 50mm,75mm,100mm. Which kind would you like to use.it is depand on local climate.Its features of thermal protection,waterproof,fast construction speed,durable and beautiful.There are five series.such as:splicing type,inserting type,hiding type,biting type,and step type.
color steel sandwich panel for roof