The installation packages we offer are 100% GUARANTEED. We have encountered every type of mounting surface (brick, stone, plaster, metal studs, concrete, etc). Our installers come prepared with anything and everything they will need for the job. We make sure your projector will be placed exactly where you want it and operating to its full potential. If you aren’t quite sure about the placement let us suggest the proper distance and elevation for you. Our job is not done until you are completely satisfied!