gray projector screen material 7 foot tall 9 foot wide

I"m wanting and need badly a gray home theater projector screen materail with a border. I need a screen material seven foot tall verical and nine foot wide horizon. For a in side wall about 8eight foot high and about 9 and a half foot wide. at a reasonable price. So I can build my own home theater. Please isn't there any one out there that would have gray projector screen with a border. that they can sell me at a reasonable price.E - Mail me at Bbarbuor8@aol.com
Please any one that would have t