Polyurethane plastering float is different from old plastering float. It overcomes the shortcomings such as heavy, non-convenient to carry, easy worn and corrosion, etc. The most advantages are lightweight, strong strength, anti-worn, corrosion resistant, anti-moth, its strength cannot decreased under low temperature, etc. Its properties are superior than that of float, glass fiber reinforced plastic and plastic. It can replace fully float made from wood or iron.