Balcony

Hi,
I'm a newbie with Live Interior 3D and try to rustle up my new apartments floor plan. The apartment has 2 large balconies/ terraces on either side. How can I do Balconies which are partly glass?

Please help.

I didn't find the right solution from the Internet.

References:
www.belightsoft.com/forum/viewtopic.php?t=9838
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Thanks