Moisture Testing Flooring Fundamentals Moisture Testing Moisture Testing When you install hardwood, laminate, or vinyl flooring over a concrete subfloor, one of the most important steps to take to ensure the lasting beauty and stability of your floors is moisture testing. Before you lay the first plank, you must ensure that the moisture level in the concrete subfloor is low enough that it will not affect your flooring. This is important even if you plan to use a moisture barrier. See the links below to download detailed instructions for each type of flooring. Hardwood Shaw Engineered Hardwood Shaw Epic Plus Hardwood Shaw Epic Plus Extreme Nature Hardwood Shaw Solid Hardwood Laminate Laminate with VersaLock AG System Wood-Look Laminate with LocNPlace System Tile-Look Laminate with LocNPlace System Luxury Vinyl Plank LVP with VersaLock System LVP with VersaFit System Floorte LVP Here are three moisture testing links from the American Society for Testing and Materials: https://www.astm.org/Standards/F2170.htm https://www.astm.org/Standards/F1869.htm https://www.astm.org/Standards/F710.htm Taking the time to check moisture levels before installation will give you peace of mind that your beautiful new floors will give you years of enjoyment.