Reduce sound transmission and improve acoustic performance for walls, floors, and ceilings. PhoneStar Tri is a 15mm soundproofing board made from corrugated cardboard and quartz sand, delivering up to ΔLw 22dB impact sound insulation and Rw 38dB airborne sound insulation. Product code: AC-PSTR-15. Size: 1200mm x 800mm x 15mm. Weight: 18kg/m².
