What preparations are needed before installing polyester fiber sound-absorbing panels?

(1) Verify the panel specifications (thickness, dimensions, fire rating); (2) Check the surface for damage, warping, and color difference; (3) Clean and level the wall surface; (4) Verify the panel batch number to avoid color differences caused by batch variations, and arrange the panels and adjust the color in advance; (5) It is recommended to wear gloves during operation to avoid contaminating the panel surface.