This would mostly depend on how strong your projector is. The local drive in theater screens are 3 stories tall, but their projectors are water cooled. More importantly is the ratio of the screen to the size of the room and the position of the viewer. My home theatre is 14' wide by 22' deep and I have a screen that is about 10'diagonal (in a 16:9 ratio).
Projector screens come in a variety of sizes from around 75 inches to 200 inches. The average size is around 150 inches. However, sometimes a screen is not used at all, with a white wall being adequate.
The average size is around 150-160 inches.But you must always select a projector screen according to the dimension and space requirements.now there are variety of options present with different dimension screens.You can find some at elite screens.
Large projector screens are used in several places today. Movie theaters use projector screens, large conferences use projector screens, and you can even rent or purchase projectors and screens for personal use.
You can find more information about projector screens for sale at the shops that sell them. Projector Pros, Staples, Best Buy, and Amazon all have information about projector screens.
There are several great brands of smaller projector screens that you can look into. Both Da-Lite and Optoma make screens that would be great for your sons college dorm room.
Draper projection screens are sold through Draper Inc, Projector People, and Projector Central. All three sources carry draper projector screens for home theater systems.
There are many companies that make tripod projector screens. Some of these companies include Da-lite, Epson, Elite Screens, Mustang, Quartet, 3M, and Draper.
Cheap projector screens are usually made from plastic as this material is easily purchased and can also be made from recycled plastic which makes the material even cheaper for use in products such as a projector screen.
The Projector Screen Store's cheapest projector screens are the Da-Lite Model 40177 for $52, the Draper Model 210001 for $53, and the Buhl Industries Model WS-W50 for $54.
You can purchase portable projector screens online from www.projectorzone.com. You can also just use a wall that is smooth and of a solid light color. Screens are not always necessary.
Portable projector screens can be purchased from office supply stores like Staples, Office Max, and Office Depot. They can also be purchased online from Amazon, Wayfair, and ProjectScreenStore.
There are a few sites that I found for purchasing a theater projector screen. I am not sure where you live so it is difficult for me to name a store that you can find them. Please check here: http://www.projectorscreensdirect.com/Home-Theater-Screens-C28531.html?refid=GCA12447.%22theater+projector+screens%22&gclid=CNPRnt6wvakCFUW8Kgod0l94gQ http://www.newegg.ca/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&Description=projector+screens+pull+down&x=13&y=31
Prices on projector screens range from $9.95 to $78,193 as can be found on http://www.bestbuy.com/site/TV-Video/Projectors-Screens/pcmcat158900050008.c?id=pcmcat158900050008 . Competitive prices and sales can be found on newegg.com and tigerdirect.com for a better deal.
A lot of companies manufacture some portable projector screens. 3M, AAXA, Acer, Aiptek, Fujitsu, Panasonic, Philips, Hitachi, HP, Casio, IBM, Canon, Delta, and Samsung.