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.nstall Sheet Vinyl Flooring. Vinyl wears well, resists water and is one of the most affordable flooring options available. Installing a sheet vinyl floor is a manageable do-it-yourself project. The key to success is preparation.