Roy LeachRoy A. Leach is owner at Port Angeles, Wash.-based Floor Covering Inspections NW, is an NWFACP inspector and specializes in concrete moisture testing.InstallationSlab Moisture, Heat Create Finish Blisters in a Floating FloorSometimes, just when we get to the point we think we have experienced everything in our careers, we face something new. Last year I encountered one such occasion when I investigated a hardwood floor with blisters throughout the entire surface of the installation.July 25, 2011Page 1 of 1Top StoriesDesignIntroducing the Winners of the 2025 WFB Design AwardsEach winner of the 2025 WFB Design Awards exhibits dedication and passion for wood flooring craftsmanship. These award-winning projects showcase the achievements of wood flooring pros and their unique visions that transform flooring into works of art.Machines/ToolsPlanetary and Multi-Disc Sanders 101: A Technical PrimerLegal AdviceWhat To Do When a Customer Backs Out of a ContractNewsEnter the 2025 WFB Outstanding Retailer AwardsSponsor ContentAbsco's Waterborne Line-up