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Installation method of sound-absorption board including attachment and detachment

1. Draw vertical and horizontal lines on the wall in accordance with the size of the sound-absorption board with the washboard as the reference.
2. When attaching with the use of Velcro strip, peel off the paper cover on the Velcro strip and align it to the center of the lines drawn above with the adhesive applied surface of the Velcro strip facing the wall for installation of the board.
3. When installing sound-absorption board, work from bottom to the top.
※ It can be installed onto cemented wall. If the product becomes soiled and contaminated after installation, it can be detached and then reinstalled after having cleaned the affected boards.