25 Made fr om r ec y cled and r ec y clable PV C, AIL S ound W alls pr o vide unma t ched v alue and per f ormanc e benefts . S ilen t P r ot ec t or ® ( Absorptiv e) PV C absor ptiv e sound bar r ier w all syst em with ac oustic al miner al w ool N oise R educ tion C oefcien t (NRC) r a ting of 1.0, the highest achiev able r a ting A bsorbs un w an t ed noise t uf -B arrier ® ( r efec tiv e) PV C r efec tiv e sound bar r ier w all syst em B locks and r efec ts un w an t ed noise G r afti and tagg ing c an be easil y r emo v ed