What is the optimum air humidity for Laminate Flooring? March 31, 2023 11:35 Updated A relative air humidity of between 40% and 70%. Please click here for more information. Related articles How do I install Laminate Flooring around fixed structural components? How to clean EGGER Laminate Flooring? Laminate flooring thermal resistance What is the under-floor evenness deviation? Is it necessary to use an underlay for Laminate Flooring?