Soundboard acoustic gypsum board

Soundboard is a gypsum board made from natural gypsum stone and coated on both sides with special paper. It has improved flexibility, workability and sound insulation, with nominal thicknesses of 12.5 mm, 15 mm and 18 mm. Nominal thickness: 12,5 mm, 15 mm, 18 mm Sound reduction index: 55 dB Fire class: A2-s1-d0 Width: 1200 mm Standard: EN 520 + A1