Sound Insulation Melamine Laminated Water Resistant MDF Grooved Wall PanelsBrief information: 1.Material ... +acoustic felt 4.Sizes:133mm*2440mm,197mm*2440mm 5.Thickness:12mm,15mm or 18mm.Models of MDF ... Grooved Wall Panels Standard models 59/5, 60/4, 28/4, 29/3, 13/3 ... 14/2 Non-standard models 40/3, 38.5/4, 8/3, 8/2, 18/3, 17/ ... 4, 5/3, 6/2 Installation of MDF Grooved Wall ...