George Donnelly Discusses Potential Moisture Issues with 1L Concrete
March 11, 2026—George Donnelly, owner of George Donnelly Testing and Inspections, and Kemp Harr discuss concerns over potential moisture issues with Type 1L concrete. Flooring contractors need to be aware that the chemistry in newly placed slabs might be different from what they are used to and there could be moisture issues that will affect the final installation of flooring. Listen to the interview for more details. For more on concrete moisture, see the Concrete and Moisture article from Floor Focus here.