A quad pergola has 4 blocks/sections (each of which can be up to 12' x 12') arranged in a 2x2 grid. With the 4 blocks connected together, the pergola can be as large as 24' x 24' (576 square feet).

You may also like: Single pergolas (up to 12x12) | Double pergolas (up to 24x12) | Triple pergolas (up to 36x12)