Most projectors are calibrated to white screen materials.
Silver or grey projector screen white ceailing light grey walls.
Matte white 1 1 gain.
Most of the time a white material will be perfect for your room and theater system.
This works because assuming the projector has ample lumen output as most digital projectors do whites remain satisfyingly white while blacks are maintained at a deeper black.
But it comes at the expense of some image brightness.
After moving my projector from the basement to an upstairs room i was really surprised how much light reflecting off walls lowered the picture quality on a white screen.
A grey screen will help combat this.
In so doing the black level on the screen is maintained.
A grey screen such as the elite cinegrey 3d screen shown here can help boost contrast and perceived black level when there are concerns with room light a reflective white ceiling or walls or a projector s inherent contrast.
The net effect is to increase the contrast range of the image on the screen.
Brighter colors and good reflectivity.
Looks like there is a lot of projector light bouncing off your walls and ceiling.
The gray screen absorbs ambient light that strikes it better than a white screen does.
Projectors now days delivery high lumens and amazing contrast levels.
Reputable projector companies calibrate their projectors to a white screen right out of the factory.
In the ideal conditions with a high quality projector a white screen will give you the sharpest clearest possible image.
Sporting events look fantastic on a white screen with some light in the room.