ARDEX X 77™ MICROTEC® Fibre Reinforced Thin Set MortarAREDX X 77™ MICROTEC® provides outstanding strength,flexibility and sag resistance in a simple one-component, smooth, creamy and easy to trowel polymer-modified thin set mortar with MICROTEC fibres. ARDEX X 77 is perfect for the most difficult installation environments including large format tile, porcelain tile and exterior installations (vertical or horizontal surfaces). Truly the world’s best thin set mortar! • Open time: 60 min. • Outstanding sag resistance • Excellent strength and flexibility • Ideal for high -traffic areas and exterior facades • 3-hour pot life • Available in grey and white • Amazing coverage: 110 sq. ft.