DO's and DON'Ts: Installing a Projector: As you can see from the picture . Just make sure it will fit your projector and can swivel/adjust to your ceiling situation. It is evident that when you install a home theater projector in your ceiling, it offers you the ideal movie theater-like experience which you won't get in any other . 7 days ago - Mounting your projector on your ceiling or wall will help give your home theatre a. . The lag bolts for your projector installation should be 3 in. DIY Network shows you how to mount a large projector screen onto a wall or ceiling. Feb 10, 2014 - This guide answers all of those questions, and hopefully any others you have about how to mount a projector and screen as well. Mar 12, 2010 - DIY: A quick and dirty 0 projector ceiling mount . would opt for one of those if I owned a projector and wanted a more permanent installation.