ARDEX ARDIFIX™ is a two-part polyurethane repair compound for cracks, control joints, spalls and pop-outs on interior or exterior applications. It is ideally suited to seal off cracks and saw-cuts prior to the installation of ARDEX MS™ Moisture Control Systems, Underlayments and Toppings. ARDEX ARDIFIX is ultra fast setting allowing the installation to proceed within minutes of application. ARDEX ARDIFIX is 100% solids for no shrinkage and cures to a rigid hardness. It also has a wide service temperature range of 0° to 110°F (-17° to 43°C), making it suitable for applications from freezers to warehouses.