THIS IS ONLY A SHADE COVER FOR YOUR EXISTING PERGOLA OR STRUCTURE WITH INCLUDED STEEL RODS. THE SIZES LISTED ARE THE EXACT SIZE OF THE COVER, NOT THE SIZE OF YOUR PERGOLA/STRUCTURE. IF YOU HAVE A 10X10 PERGOLA AND YOU WANT THE COVER TO HANG DOWN 3FT ON EACH SIDE, YOU NEED AT LEAST A 10X16 (10 X 10+3+3).
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