A substrate is an absolute necessity when laying a floor. Installing the right substrate has a significant impact on your final image, quality and comfort of your Laminate Quick-step floor. High quality substrates are easy to install and create a level base for your new floor. This gives you excellent acoustic and thermal insulation. Quick-step substrates provide a stable base that protects the Uniclick & Uniclick Multifit system. In addition, they provide protection against increased humidity.