Double-glazed window repairs can be done by a professional. This includes replacing the glass, glazier's points (those triangular pieces of metal that help to hold it in place) and replacing or repairing the sash. This kind of repair can be done at home, however when you're not comfortable doing it https://doubleglazingrepairnearme53884.liberty-blog.com/11214760/learn-to-repair-a-double-glazed-window-like-hemingway