Replacement Windows Discussion Board Forum

Hello, I love the look of this window design insert (see link below). Is it possible to add an insert to the top half of an double hung window? Or will an aftermarket insert keep the window from opening? If it's possible, how can an insert be made (e.g. what materials, etc.)? Are there certain types...

Hello, I love the look of this window design insert (see image below). Is it possible to add an insert to the top half of an double hung window? Or will an aftermarket insert keep the window from opening? If it's possible, how can an insert be made (e.g. what materials, etc.)? Are there certain type...