Sikafloor® Merflex PS is a polyurethane-based, flexible flooring system designed for areas requiring a water protection membrane with a durable wear surface, such as mechanical rooms. This system has excellent waterproofing, flexibility and crack-bridging properties. Sikafloor® Merflex PS is typically installed at 92 - 98 mils (2.3 - 2.5 mm) thickness.