Dor-Win Manufacturing Co., Inc.

Too soon to give a FULL POSITIVE review. I got less than (20) 4830 series windows, I saw a 2017 reviewer said their windows are now foggy. I just hope my 4830 series windows hold up for 20...

I purchased a door from Dor-Win and had it installed. About a year later a yellowish goo started to seep from all around the door. It looks like it's some sort of foam insulation. Dor-Win's...

Had a custom size window made, was done in less time than was stated, great quality and very reasonably priced.

Have had Dorwin Windows for three years. I cleaned the Windows and now one window will not stay open. This must be a continual problem with their windows as their website shows how to fix this...

I've used these windows on several projects, as well as my own home. Never had an issue with fit and overall installation. Sturdy, well made frames, good looking windows!