When choosing glass for soundproofing, thicker glass is generally more practical than thinner glass. Glass thicknesses of single layers of glass usually range between 1-eighth of an inch to one inch. OITC stands for out of doors/indoor transmission class. It should be obvious what it steps from its name. Put https://acousticlaminatedglass06247.thekatyblog.com/37117126/the-2-minute-rule-for-acoustic-laminated-glass