Ardex A 38 Mix Rapid Set Premixed Screed, Ardex A 38 Rapid Set Screed and Ardex E 100 Screed Improvement and Bonding Slurry Additive are now available for purchase at Ardex distributors throughout North America. Suitable for interior and exterior use, Ardex A 38 Mix and Ardex A 38 are high-performance, rapid-hardening screeds for use in every type of screed installation. Ardex E 100 is used in the bonding slurry for both aforementioned products.