Color steel sandwich features: durable, multiple studies have shown that more than 40 years and is widely used abroad confirmed: The special coating color steel sandwich shelf life of 10 to 15 years of mobile homes, antiseptic spray after every 10 years paint, plate life of up to 35 years. Sandwich color steel weight light punishment Taiwan mobile homes, square weighing less than 14kg can substantially reduce the structural loads housing construction activity, lower cost structure. Insulation materials used in fiberglass sandwich panels cotton-based, with good thermal insulation effect. External wall insulation board to effectively prevent the wall of the "cold bridge" phenomenon, to achieve a better insulation effect. R15 insulation around 100mm thick cotton thermal resistance can be equivalent to 1m thick brick wall.