1- EgressTilt & Turn Vinyl HIGH EFFICIENCY Windows 37.5″x59.5″ Made In USA
Acoustic Insulation: Double glaze: Rw = 42dB (VG4-4/16/4) Rw = 43dB (VG4-4/20/6 set). Triple glaze: window- Rw = 52-72 depends on glass thickness. Glazing : Double glaze : Standard option:Two-pane set – 4/16Ar/4mm – 1 chamber Low-E.