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from Boise, ID
from Boise, ID
20x10 Pergolas
We offer a wide selection of 20x10 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 2-block pergola kit for your outdoor space.
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Attached 20x10 Pergola Off House with Roof (6 Options) - Kit for 4x4 Wood
20% OffOriginal price Starting at $499Original price Starting at $499Original price $499Starting at $399Starting at$499$399Current price $399Original price $499 -
Wall-Mounted 20' x 10' Pergola with Shade Covers - Kit for 4x4 Wood
22% OffOriginal price $929Original price Starting at $929Original price $929Current price $729Original price $929Starting at$929$729Current price $729Original price $929 -
20' x 10' Pergola Attached to House with Roof (6 Options) - Kit for 6x6 Wood
20% OffOriginal price Starting at $999Original price Starting at $999Original price $999Starting at $799Starting at$999$799Current price $799Original price $999 -
Attached 20 by 10 Pergola and Canopies - Kit for 6x6 Wood
20% OffOriginal price $1,379Original price Starting at $1,379Original price $1,379Current price $1,099Original price $1,379Starting at$1,379$1,099Current price $1,099Original price $1,379
20x10 Refers to the Combined Inner Dimensions of the 2 Roof Openings
When we say a pergola's dimensions are 20x10, we are referring to the combined inside dimensions of the 2 roof openings (inside-edge to inside-edge). All of the kits featured on this page are meant to have 2 roof openings that are both 10' deep and which combine to be a total of 20' wide. (Note: If you choose a kit made for a slatted wood roof, the combined width of the 2 roof openings can be divided any way you'd like: both 10' deep or one 10.5' and one 9.5' deep or one 11' and one 9' deep or any other combination that adds up to 20 feet.)
The overall outside-edge to outside-edge dimensions of the pergola will be:
- 21' 2.6" wide x 10' 7.3" deep (if you choose a kit for 4x4 posts) OR
- 21' 10.6" wide x 10' 11.3" 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 20' x 10', you would need to:
- Purchase two sets of two posts totaling 20 feet to be the beams running the 20-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 10-foot posts to be the beams running the 10-foot depth, and then cut off 7.3 inches (for 4x4 wood posts) or 11.3 inches (for 6x6 wood posts) from each one
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
20' x 10' pergolas are different from 10' x 20' pergolas. The wall-mounted pergolas on this page will attach to your home on the 20' width side and come 10' out from the house wall. For free-standing pergolas with a slatted roof, the roof rafters will be mounted to the 10' beams and run the 20-foot width of the pergola (providing more shade when the afternoon/evening sunlight comes from the 20-foot width side). If your afternoon/evening sunlight will come from the 10-foot side, you'll want a 10x20 pergola instead.