Crack isolation and sound control products are designed to solve well-known issues in flooring installation. Crack isolation products keep subfloor cracks from transferring into tile and stone floors. Sound control products are designed to minimize impact noise from footfalls and other types of traffic, as measured by their Impact Insulation Class (IIC) rating. We asked contractors and manufacturers to share their insights into these different products.
James Woelfel, president of the National Tile Contractors Association and vice president of Artcraft Granite, Marble and Tile Co. in Mesa, Ariz., said he uses crack isolation products on every job. These are dependable products when used correctly, but become a problem when they’re not properly applied, he stated.