A semitone, also called a half step or a half tone, is the smallest musical interval commonly used in Western tonal music, and it is considered the most dissonant when sounded harmonically. It is defined as the interval between two adjacent notes in a 12-tone scale (e.g. from C to C â¯).9-tone equal temperament distinguishes between the chromatic and diatonic semitones; in this tuning, the chromatic semitone is one step of the scale (play 63.2 cents (helpÂ·info)), and the diatonic semitone is two (play 126.3 cents (helpÂ·info)).
How to install underlay for laminate flooring. Preparing the floorâs surface to install underlay. The first step of the process is to prepare properly the floorâs surface, before installing the underlay and laminate flooring.Consequently, remove all bumps and other flooring irregularities and make sure that the surface is completely dry.he first step of the process is to prepare properly the floorâs surface, before installing the underlay and laminate flooring. Consequently, remove all bumps and other flooring irregularities and make sure that the surface is completely dry.
Step 3. When installing the new underlayment, stagger the seams of the plywood panels, and leave a 1/32-inch gap between panels to allow for expansion. Leave a 1/8-inch gap along the walls. Always use the fasteners and fastening pattern recommended by the vinyl floor and plywood manufacturer.ou can measure the entire floor area. Cut the vinyl 3 inches wider than the floor area on all sides, and then trim the excess after laying it in place. This method works well with rooms that are easy to fit with few angles or obstacles. Alternatively, make a template of the floor layout.