This Fiberglass Serenity Pergola comes Pre-Finished w/ Round Tapered PermCast Columns,Painted White and ships  w/ all connectors and hardware for easy installation.All hardware is Stainless Steel w/ a Limited Lifetime Warranty. Please Note: Overhead Dimension is the Total Size shown,12'x12',14'x14',16'x16' and Column Centers are set 4' in from overall size. This model is a standard stock item and no changes can be made to this model. Pergolas are shown with Optional Tail Types.

12'x12' has 8"x8' Round Tapered PermaCast Columns

14'x14' has 10"x8' Round Tapered PermaCast Columns

16'x16' has 10"x8' Round Tapered PermaCast Columns