{"title":"15x20 Pergolas","description":"\u003cp style=\"margin-top: -45px;\"\u003eWe offer several different \u003cstrong\u003e15x20 pergola\u003c\/strong\u003e kits, including both \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/type_free-standing\"\u003efree-standing\u003c\/a\u003e and \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/type_attached-to-house\"\u003ehouse-attached\u003c\/a\u003e kits, with some kits made for smaller \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/bracket-size_4x4\"\u003e4x4\u003c\/a\u003e wood frames and others for larger \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/bracket-size_6x6\"\u003e6x6s\u003c\/a\u003e. Use the \u003cspan style=\"background: #FFD93A; padding: 2px 4px 2px 4px; border-radius: 4px;\"\u003efiltering options\u003c\/span\u003e below to quickly find the perfect 4-block pergola kit for your outdoor space.\u003cbr\u003e\u003c\/p\u003e\u003cdiv style=\"background: #F6F6F6; border-radius: 4px; padding: 12px; text-align: center; margin: 25px 0px -10px 0px;\"\u003e\n\u003cspan style=\"color: #bf262f;\"\u003e\u003ci class=\"fa-solid fa-magnifying-glass\"\u003e\u003c\/i\u003e  \u003cstrong\u003eSIMILAR SIZES:\u003c\/strong\u003e\u003c\/span\u003e  \u003ca href=\"https:\/\/zenpergolas.com\/collections\/14x20-pergolas\"\u003e14x20 pergolas\u003c\/a\u003e  |  \u003ca href=\"https:\/\/zenpergolas.com\/collections\/16x20-pergolas\"\u003e16x20 pergolas\u003c\/a\u003e*  |  \u003ca href=\"https:\/\/zenpergolas.com\/collections\/20x15-pergolas\"\u003e20x15 pergolas\u003c\/a\u003e\u003cbr\u003e* kits with shade canopies available\u003c\/div\u003e\u003c!-- split --\u003e\u003ch3\u003e15x20 Refers to the Combined Inner Dimensions of the \u003cem\u003e4 Roof Openings\u003c\/em\u003e\n\u003c\/h3\u003e\u003cp\u003eWhen we say a pergola's dimensions are 15x20, 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 \u003cu\u003ecombine\u003c\/u\u003e to be a \u003cstrong\u003etotal of 15' wide\u003c\/strong\u003e and a \u003cstrong\u003etotal of 20' deep\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe overall outside-edge to outside-edge dimensions of the pergola will be:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e16' 2.6\" wide x 21' 2.6\" deep (if you choose a \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/bracket-size_4x4\"\u003ekit for 4x4 posts\u003c\/a\u003e) \u003cstrong\u003eOR\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e16' 10.6\" wide x 21' 10.6\" deep (if you choose a \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/bracket-size_6x6\"\u003ekit for 6x6 posts\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWith all of this being said, you can easily change the overall size of your pergola by \u003cstrong\u003etrimming the wood posts\u003c\/strong\u003e 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 15' x 20', you would need to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePurchase \u003cu\u003ethree sets\u003c\/u\u003e of two posts totaling 15 feet to be the beams running the 15-foot width, and then cut off a total of 14.6 inches (for 4x4 wood posts) or 22.6 inches (for 6x6 wood posts) \u003cu\u003eper set\u003c\/u\u003e of two posts; and\u003c\/li\u003e\n\u003cli\u003ePurchase \u003cu\u003ethree sets\u003c\/u\u003e of two posts totaling 20 feet to be the beams running the 20-foot depth, and then cut off a total of 14.6 inches (for 4x4 wood posts) or 22.6 inches (for 6x6 wood posts) \u003cu\u003eper set\u003c\/u\u003e of two posts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReminder: Width \u0026amp; Depth Are \u003cu\u003eNot\u003c\/u\u003e Always Interchangeable\u003c\/h3\u003e\u003cp\u003e15' x 20' pergolas are different from \u003ca href=\"https:\/\/zenpergolas.com\/collections\/20x15-pergolas\"\u003e20' x 15' pergolas\u003c\/a\u003e. The \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/type_attached-to-house\"\u003ewall-mounted pergolas\u003c\/a\u003e on this page will attach to your home on the 15' width side and come 20' out from the house wall. For \u003ca href=\"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/type_free-standing+roof-style_wood-slats\"\u003efree-standing pergolas with a slatted roof\u003c\/a\u003e, the roof rafters will be mounted to the 20' beams and run the 15-foot width of the pergola (providing more shade when the afternoon\/evening sunlight comes from the \u003cstrong\u003e15-foot width side\u003c\/strong\u003e). If your afternoon\/evening sunlight will come from the 20-foot side, you'll want a \u003ca href=\"https:\/\/zenpergolas.com\/collections\/20x15-pergolas\"\u003e20x15 pergola\u003c\/a\u003e instead.\u003c\/p\u003e","products":[{"product_id":"15x20-pergola-with-roof-free-standing-diy-kit","title":"Free-Standing 15' x 20' Pergola with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42226086838452,"sku":"Free15x20Lg","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x6 slats [+$720]","offer_id":42807552770228,"sku":"Free15x20Lg-26IBx48","price":2719.0,"currency_code":"USD","in_stock":true},{"title":"2x6 rafters atop beams [+$828]","offer_id":42807552802996,"sku":"Free15x20Lg-26RBx36","price":2827.0,"currency_code":"USD","in_stock":true},{"title":"Inline 6x6 posts [+$504]","offer_id":42807552835764,"sku":"Free15x20Lg-66IBx24","price":2503.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x6 slats [+$1200]","offer_id":42807552868532,"sku":"Free15x20Lg-26IBx80","price":3199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/FreeQuadLg-InlineMed_b5fc76fa-7536-40d4-bae3-62c0847fe240.png?v=1747273365"},{"product_id":"free-standing-15x20-pergola-kit-with-roof","title":"Freestanding 15x20 Pergola Kit with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42226084544692,"sku":"Free15x20Sm","price":999.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x4 slats [+$576]","offer_id":42807507452084,"sku":"Free15x20Sm-24IBx48","price":1575.0,"currency_code":"USD","in_stock":true},{"title":"2x4 rafters atop beams [+$576]","offer_id":42807507484852,"sku":"Free15x20Sm-24RBx36","price":1575.0,"currency_code":"USD","in_stock":true},{"title":"Inline 4x4 posts [+$600]","offer_id":42807507517620,"sku":"Free15x20Sm-44IBx40","price":1599.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x4 slats [+$1152]","offer_id":42807507550388,"sku":"Free15x20Sm-24IBx96","price":2151.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/FreeQuadSm-InlineMed_b1600859-f2c3-417b-a3f7-03de76973658.png?v=1747273338"},{"product_id":"15x20-pergola-attached-to-house-with-roof","title":"15' x 20' Pergola Attached to House with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42226081923252,"sku":"Att15x20Lg","price":1499.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x6 slats [+$720]","offer_id":42807998742708,"sku":"Att15x20Lg-26IBx48","price":2219.0,"currency_code":"USD","in_stock":true},{"title":"2x6 rafters atop beams [+$828]","offer_id":42807998775476,"sku":"Att15x20Lg-26RBx36","price":2327.0,"currency_code":"USD","in_stock":true},{"title":"Inline 6x6 posts [+$504]","offer_id":42807998808244,"sku":"Att15x20Lg-66IBx24","price":2003.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x6 slats [+$1200]","offer_id":42807998841012,"sku":"Att15x20Lg-26IBx80","price":2699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/AttQuadLg-InlineMed_5b53d107-2429-4251-a554-f1863302740a.png?v=1747273312"},{"product_id":"attached-15x20-pergola-with-roof-diy-hardware-kit","title":"Attached 15x20 Pergola Off House with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42226078253236,"sku":"Att15x20Sm","price":799.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x4 slats [+$576]","offer_id":42807671226548,"sku":"Att15x20Sm-24IBx48","price":1375.0,"currency_code":"USD","in_stock":true},{"title":"2x4 rafters atop beams [+$576]","offer_id":42807671259316,"sku":"Att15x20Sm-24RBx36","price":1375.0,"currency_code":"USD","in_stock":true},{"title":"Inline 4x4 posts [+$600]","offer_id":42807671292084,"sku":"Att15x20Sm-44IBx40","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x4 slats [+$1152]","offer_id":42807671324852,"sku":"Att15x20Sm-24IBx96","price":1951.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/AttQuadSm-InlineMed_19c4c08a-fab3-4b72-80bf-bfb7e796b931.png?v=1747273282"}],"url":"https:\/\/zenpergolas.com\/collections\/15x20-pergolas\/type_free-standing+roof-style_wood-slats.oembed","provider":"Zen Pergolas","version":"1.0","type":"link"}