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from Boise, ID
from Boise, ID
20x24 Pergolas
We offer a wide selection of 20x24 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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Wall-Mounted 20' x 24' Pergola with Shade Covers - Kit for 4x4 Wood
21% OffOriginal price $1,899Original price Starting at $1,899Original price $1,899Current price $1,499Original price $1,899Starting at$1,899$1,499Current price $1,499Original price $1,899 -
Stand-Alone 20 x 24 Pergola with Canopies - Kit for 4x4 Wood
20% OffOriginal price $2,129Original price Starting at $2,129Original price $2,129Current price $1,699Original price $2,129Starting at$2,129$1,699Current price $1,699Original price $2,129 -
Attached 20 by 24 Pergola and Canopies - Kit for 6x6 Wood
20% OffOriginal price $2,749Original price Starting at $2,749Original price $2,749Current price $2,199Original price $2,749Starting at$2,749$2,199Current price $2,199Original price $2,749 -
20x24 Covered Pergola with Sun Shades - Kit for 6x6 Wood
20% OffOriginal price $3,499Original price Starting at $3,499Original price $3,499Current price $2,799Original price $3,499Starting at$3,499$2,799Current price $2,799Original price $3,499
20x24 Refers to the Combined Inner Dimensions of the 4 Roof Openings
When we say a pergola's dimensions are 20x24, 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 20' wide and a total of 24' deep.
The overall outside-edge to outside-edge dimensions of the pergola will be:
- 21' 2.6" wide x 25' 2.6" deep (if you choose a kit for 4x4 posts) OR
- 21' 10.6" wide x 25' 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 20' x 24', you would need to:
- Purchase three 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 sets of two posts totaling 24 feet to be the beams running the 24-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
20' x 24' pergolas are different from 24' x 20' pergolas. The wall-mounted pergolas on this page will attach to your home on the 20' width side and come 24' out from the house wall. For free-standing pergolas with a slatted roof, the roof rafters will be mounted to the 24' 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 24-foot side, you'll want a 24x20 pergola instead.