Decrasound™ Polyester Acoustic Clouds Decrasound™ Polyester Acoustic Clouds are suspended ceiling panels that combine modern aesthetics with effective noise control. Made from durable PET fibre with high recycled content, these lightweight acoustic clouds absorb sound from both sides, reducing reverberation and improving speech clarity in open spaces. Polyester Acoustic Clouds for Ceilings Acoustic clouds are perfect for areas with limited wall space or high ceilings….