This is also a viable option for floors so you can create an entire green screen set.
How to hang a green screen on a wall.
Get a handle on things.
The wall or floor must be smooth and flat and the paint you choose must be a matte or matte enamel finish.
Use tacks or pins to anchor the green screen material to the wall.
Mine is about 11 x 12 so my box had to be pretty long.
How go setup a green screen at home will show you step by step how to set up a green screen chroma key effect at home this video shows you how to set up lig.
Remember if you do this you will need to make sure a strip drapes along the floor so that you can weigh it down with heavy objects.
Second attach a curtain rod to a wall and hang the screen from that.
Make a pull down green screen wall.
Remove the horizontal rod from the top of the frame and feed it through the loop in the fabric.
The first thing i did was to measure the width of the green screen.
Make a distinct crease where the green screen meets the bottom of the wall pinning down with tacks too.
When you hang the screen if you choose the soft option there are several ways that you can do this.
Smooth out any wrinkles on the cloth or paper keeping the material taut when hanging it pulling it as tight as possible.
Hang the green screen material on a wall.
Most green seamless fabrics have a small fold on one end this loop allows one to mount the fabric to the frame.