After working for a while with a self-made and relatively narrow photo-curtain, was the decision hermuss that a wider background. I decided in the end for a ready-hemmed fabric because the less work and is even pricewise even slightly cheaper. On the whole I am satisfied with the substance. Due to the size it is a bit bulky and you need at least 2 people to reasonably well fold it.
What I do not like so much the fact that he is quite transparent - in other words, you always see the window through and must therefore let down the blind. Slightly annoying that this light is lost, but with softbox can I fix this problem ;-)