Roots Multiclean Ltd. Is the manufacturer of Wet Floor Signal. Roots Multiclean Ltd. Is an ISO 9001: 2000, ISO 14001:2004 and OHSAS 18001:1999 certified company. The Wet Floor Signal enables operators to follow the safety rules and prevent accidents at work. The Wet Floor Signal is made of plastic and is light and strong. They are handy, easy to use and robust, and can be easily moved around. If placed outside, they resist wind blows. The Wet Floor Signals are colorful and very high so that they can be seen and identified from afar, and can be used alone or together with other signs.