Found this on the avsforum..

to mods ..if someone objects please dont hesitate & remove..

Cheers


http://www.rosebrand.com/search/res...m?search=screen

Rosebrand Grey Projection Screen Material
"Grey projection screen is best for rear projection, but can be used for front projection. This neutral color blends into the background and reflects less ambient light than white screens. It is good for outdoor use. 55", 86", 94", 114" and 180". The 110" wide material is 2 widths of 55" welded together.
55"w = $15.70/yd.
86"w = $76.05/yd.
94"w =$69.00/yd.

Custom Rear Projection Screens without Edge Finishing
Vertically welded without any edge finishing for your insertion into your set. Larger screens will be folded for UPS shipment, unless instructed otherwise.
Technical Specifications
Unit Weight: 1 oz.
Width: your dimensions
Thickness: 4 mils (0.004 inches or 10 millimeters)
Price: $3.00 per Square Foot

Dazian also on ebay

Da-lite
http://www.projectorzone.com/sfastfold.html
$278+...
+ $345 for 65"x116"
+ $65 for Cinema Vision?
(=$688!)

Rosco
http://www.rosco.com/us/screens/roscoscreen.asp

Gerriets Optitrans
http://gi-info.com/projection_screens_rear.html

http://www.iweiss.com/curtains/scre...on-screens.html

https://secure.room2.co.uk/harknesshall/
Rear Projection Screen Surfaces
- Translite
- Polacoat
- RP230
Front and Rear Projection Screen Surfaces
- Translite Super 2


Goo
"We have also introduced a very exciting new product. Goo Systems has engineered a new rear projection screen coating designed to provide exceptional results in both home and business applications. Any rigid transparent surface can now be cost effectively transformed into a high quality dual-sided projection screen."
http://www.goosystems.com/index.php?cont=products
Title: Rear Projection
Size: 3.78 L
Sku: 4730
Price: $750 CAD

Da-Lite Rear Projection (Da-Tex and Dual Vision are RP)
- - http://www.cambridgeworld.com/Da-Li...en_surfaces.htm
- - http://store.cousinsvideo.com/cut-t...en-surface.html