This new model of steel doors boasts an STC (sound transmission class) of 58, which exceeds the STC53 commonly found in similar doors from other manufacturers. The doors are 1.75″ thick, so standard ...

Featured on WGN Radio’s Home Sweet Home Chicago on 10/02/2021: President and Owner of Next Door & Window Justin Bartley joins the program to talk about the top five window and door replacements Zonda ...