Why Does Self-Leveling Underlayment Leave Humps or Ridges, and How Do You Prevent It?
Humps and ridges form for several reasons, but usually result from the material not flowing together. Common causes include adding the wrong amount of water, slow batch transition, improper primer or surface preparation, short working time, temperature, and improper spreading techniques. Self-leveling underlayment is anything but effortless. Despite the name, it does not simply spread […]