Tips for Creating an Architectural Glass Wall   
... and other times you might want it completely opaque.  In our case we wanted see throu ...
... the hall behind one section of the wall but opaque elements to hide the bathroom behind t ...
http://www.refurber.com/advice/98/Tips-for-Creating-an-Architectural-Glass-...

Deck Roof  
... s and channeled track.  The panels were opaque and about ½” thick and fi ...
http://www.refurber.com/advice/48/Deck-Roof/