Sound insulating board 1400 x 1000 x 30mm

The structure of these panels consists of two foam sheets, 3 and 25 mm thick.
Between the two thicknesses is a 3.5kg/m2 anti-reverberation plate, eliminating vibrations. The foam absorbs noise and the dense plate stops vibrations.
Dimensions: 1400 x 1000 x 30mm.
Outer shell in 30/100th perforated gray PVC