Royal Corinthian supplied this custom sized fiberglass pergola with round tapered Tuscan fiberglass columns. While custom in size, all of the components are standard. Royal Corinthian is able to supply custom sized, custom, and standard pergola kits with any of the column styles that we offer. These pergolas, arbors, or trellises are available in a plethora of finished colors. Fiberglass pergolas are pound for pound stronger than steel and are unrivaled.