About Doors CONSULT WITH DAVE DOES DOORS™ BEFORE PURCHASING A DOOR OR PREHUNG DOOR UNIT !  People often purchase prehung door systems from their local hardware store only to find that they don't fit. There are many factors to consider when ordering a door. To save yourself time and money, contact me first at 650-875-1954. I will help you select the right door and install it properly. Although I am not affiliated with any of these companies, here are a few door manufacturers that I recommend: Therma-Tru Doors Simpson Door Company International Wood Products I purchase all of my clients' doors through AMC Doors & Windows, Inc. a reputable firm that specializes in pre-hung door and window sales.