Sonoma Arched Wood Pergola 12x17 Redwood Bring the elegant grandeur of European patio pergolas to your own backyard! 12x16 Sonoma Pergola Kit SONOMA 1216-R | Outdoor GreatRoom For increased sun protection, add redwood-stained roof lattice to your Sonoma Pergola. Large redwood toned 12x16 foot pergola for your backyard living space. The 12x16 Sonoma Arched Wood Pergola Kit in Redwood - Made in the U.S.A. from Douglas Fir Wood, dip Stained & Precision Cut - A Backyard Must Have!