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from Boise, ID
from Boise, ID
22x18 Pergolas
We offer a wide selection of 22x18 pergola kits, including both free-standing and house-attached kits, those with shade canopies and those made for a slatted wood roof, and some made for smaller 4x4 wood frames and others for larger 6x6s. Use the filtering options below to quickly find the perfect 4-block pergola kit for your outdoor space.
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Attached 22x18 Pergola Off House with Roof (6 Options) - Kit for 4x4 Wood
20% OffOriginal price Starting at $999Original price Starting at $999Original price $999Starting at $799Starting at$999$799Current price $799Original price $999 -
Freestanding 22x18 Pergola Kit with Roof (6 Options) - For 4x4 Wood
20% OffOriginal price Starting at $1,249Original price Starting at $1,249Original price $1,249Starting at $999Starting at$1,249$999Current price $999Original price $1,249 -
22' x 18' Pergola Attached to House with Roof (6 Options) - Kit for 6x6 Wood
20% OffOriginal price Starting at $1,879Original price Starting at $1,879Original price $1,879Starting at $1,499Starting at$1,879$1,499Current price $1,499Original price $1,879 -
Free-Standing 22' x 18' Pergola with Roof (6 Options) - Kit for 6x6 Wood
20% OffOriginal price Starting at $2,499Original price Starting at $2,499Original price $2,499Starting at $1,999Starting at$2,499$1,999Current price $1,999Original price $2,499
22x18 Refers to the Combined Inner Dimensions of the 4 Roof Openings
When we say a pergola's dimensions are 22x18, we are referring to the combined inside dimensions of the 4 roof openings (from inside-edge to inside-edge). All of the kits featured on this page are meant to have 4 roof openings, arranged in a 2x2 grid, which combine to be a total of 22' wide and a total of 18' deep.
The overall outside-edge to outside-edge dimensions of the pergola will be:
- 23' 2.6" wide x 19' 2.6" deep (if you choose a kit for 4x4 posts) OR
- 23' 10.6" wide x 19' 10.6" deep (if you choose a kit for 6x6 posts)
With all of this being said, you can easily change the overall size of your pergola by trimming the wood posts that you plan to use for the roof beams. For example, if you wanted the true outside-edge to outside-edge dimensions of a free-standing pergola to be exactly 22' x 18', you would need to:
- Purchase three sets of two posts totaling 22 feet to be the beams running the 22-foot width, and then cut off a total of 14.6 inches (for 4x4 wood posts) or 22.6 inches (for 6x6 wood posts) per set of two posts; and
- Purchase three sets of two posts totaling 18 feet to be the beams running the 18-foot depth, and then cut off a total of 14.6 inches (for 4x4 wood posts) or 22.6 inches (for 6x6 wood posts) per set of two posts
Important Note: Our shade canopies are specifically designed to fit roof openings that are exactly 8x8, 8x10, 8x12, 10x10, 10x12 and 12x12. If you're purchasing a kit with shade canopies, you cannot trim down the roof beam posts. Furthermore, all roof posts must be 8-, 10- or 12-foot lengths.
Reminder: Width & Depth Are Not Always Interchangeable
22' x 18' pergolas are different from 18' x 22' pergolas. The wall-mounted pergolas on this page will attach to your home on the 22' width side and come 18' out from the house wall. For free-standing pergolas with a slatted roof, the roof rafters will be mounted to the 18' beams and run the 22-foot width of the pergola (providing more shade when the afternoon/evening sunlight comes from the 22-foot width side). If your afternoon/evening sunlight will come from the 18-foot side, you'll want an 18x22 pergola instead.