How to make a 1 flat mesh to show both sides?

I am using a mesh with no thickness to be the frabric-roof above the windows (see image please). But as you can see, while looked at from above the top side is see-throu :frowning:
Is there a way to fix that with the materials?
Or do I need to give it some thickness?

Thanks in advance guys :slight_smile:



There is no option to fix that with the materials, the normals can only be pointed from a face in one direction. So it should be a two sided geometry with the normal pointed out in both directions.

Please let me know if this helps to answer your question.