{"title":"18x16 Pergolas","description":"\u003cp style=\"margin-top: -45px;\"\u003eWe offer a wide selection of \u003cstrong\u003e18x16 pergola\u003c\/strong\u003e kits, including both \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/type_free-standing\"\u003efree-standing\u003c\/a\u003e and \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/type_attached-to-house\"\u003ehouse-attached\u003c\/a\u003e kits, those with \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/roof-style_shade-canopyies\"\u003eshade canopies\u003c\/a\u003e and those made for a \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/roof-style_wood-slats\"\u003eslatted wood roof\u003c\/a\u003e, and some made for smaller \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/bracket-size_4x4\"\u003e4x4\u003c\/a\u003e wood frames and others for larger \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-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\n\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\/16x16-pergolas\"\u003e16x16 pergolas\u003c\/a\u003e  |  \u003ca href=\"https:\/\/zenpergolas.com\/collections\/16x18-pergolas\"\u003e16x18 pergolas\u003c\/a\u003e  |  \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x18-pergolas\"\u003e18x18 pergolas\u003c\/a\u003e  |  \u003ca href=\"https:\/\/zenpergolas.com\/collections\/20x16-pergolas\"\u003e20x16 pergolas\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003ch3\u003e18x16 Refers to the Combined Inner Dimensions of the \u003cem\u003e4 Roof Openings\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003cp\u003eWhen we say a pergola's dimensions are 18x16, 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 18' wide\u003c\/strong\u003e and a \u003cstrong\u003etotal of 16' deep\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe overall outside-edge to outside-edge dimensions of the pergola will be:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e19' 2.6\" wide x 17' 2.6\" deep (if you choose a \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/bracket-size_4x4\"\u003ekit for 4x4 posts\u003c\/a\u003e) \u003cstrong\u003eOR\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e19' 10.6\" wide x 17' 10.6\" deep (if you choose a \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/bracket-size_6x6\"\u003ekit for 6x6 posts\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 18' x 16', you would need to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePurchase \u003cu\u003ethree sets\u003c\/u\u003e of two posts totaling 18 feet to be the beams running the 18-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 16 feet to be the beams running the 16-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\n\u003cp\u003e\u003cu\u003eImportant Note\u003c\/u\u003e: 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 \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/roof-style_shade-canopyies\"\u003ekit with shade canopies\u003c\/a\u003e, you \u003cstrong\u003ecannot\u003c\/strong\u003e trim down the roof beam posts. Furthermore, all roof posts must be 8-, 10- or 12-foot lengths.\u003c\/p\u003e\n\u003ch3\u003eReminder: Width \u0026amp; Depth Are \u003cu\u003eNot\u003c\/u\u003e Always Interchangeable\u003c\/h3\u003e\n\u003cp\u003e18' x 16' pergolas are different from \u003ca href=\"https:\/\/zenpergolas.com\/collections\/16x18-pergolas\"\u003e16' x 18' pergolas\u003c\/a\u003e. The \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/type_attached-to-house\"\u003ewall-mounted pergolas\u003c\/a\u003e on this page will attach to your home on the 18' width side and come 16' out from the house wall. For \u003ca href=\"https:\/\/zenpergolas.com\/collections\/18x16-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 16' beams and run the 18-foot width of the pergola (providing more shade when the afternoon\/evening sunlight comes from the \u003cstrong\u003e18-foot width side\u003c\/strong\u003e). If your afternoon\/evening sunlight will come from the 16-foot side, you'll want a \u003ca href=\"https:\/\/zenpergolas.com\/collections\/16x18-pergolas\"\u003e16x18 pergola\u003c\/a\u003e instead.\u003c\/p\u003e","products":[{"product_id":"18x16-pergola-with-roof-free-standing-diy-kit","title":"Free-Standing 18' x 16' Pergola with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42226062852276,"sku":"Free18x16Lg","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x6 slats [+$600]","offer_id":42807514103988,"sku":"Free18x16Lg-26IBx40","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"2x6 rafters atop beams [+$690]","offer_id":42807514136756,"sku":"Free18x16Lg-26RBx30","price":2689.0,"currency_code":"USD","in_stock":true},{"title":"Inline 6x6 posts [+$504]","offer_id":42807514169524,"sku":"Free18x16Lg-66IBx24","price":2503.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x6 slats [+$960]","offer_id":42807514202292,"sku":"Free18x16Lg-26IBx64","price":2959.0,"currency_code":"USD","in_stock":true},{"title":"Shade canopies [+$540]","offer_id":43213872824500,"sku":"Free18x16Lg-CPY88Bx2-CPY810Bx2","price":2539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/FreeQuadLg-InlineMed_1483160f-6496-4774-a222-e6c2b403ac1c.png?v=1747273042"},{"product_id":"free-standing-18x16-pergola-kit-with-roof","title":"Freestanding 18x16 Pergola Kit with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42226032672948,"sku":"Free18x16Sm","price":999.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x4 slats [+$480]","offer_id":42807492608180,"sku":"Free18x16Sm-24IBx40","price":1479.0,"currency_code":"USD","in_stock":true},{"title":"2x4 rafters atop beams [+$480]","offer_id":42807492640948,"sku":"Free18x16Sm-24RBx30","price":1479.0,"currency_code":"USD","in_stock":true},{"title":"Inline 4x4 posts [+$480]","offer_id":42807492673716,"sku":"Free18x16Sm-44IBx32","price":1479.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x4 slats [+$864]","offer_id":42807492706484,"sku":"Free18x16Sm-24IBx72","price":1863.0,"currency_code":"USD","in_stock":true},{"title":"Shade canopies [+$540]","offer_id":43213780779188,"sku":"Free18x16Sm-CPY88Bx2-CPY810Bx2","price":1539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/FreeQuadSm-InlineMed_db2b384e-469b-4f07-9061-bccf2fe7370b.png?v=1747272694"},{"product_id":"18x16-pergola-attached-to-house-with-roof","title":"18' x 16' Pergola Attached to House with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42226004295860,"sku":"Att18x16Lg","price":1499.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x6 slats [+$600]","offer_id":42807989829812,"sku":"Att18x16Lg-26IBx40","price":2099.0,"currency_code":"USD","in_stock":true},{"title":"2x6 rafters atop beams [+$690]","offer_id":42807989862580,"sku":"Att18x16Lg-26RBx30","price":2189.0,"currency_code":"USD","in_stock":true},{"title":"Inline 6x6 posts [+$504]","offer_id":42807989895348,"sku":"Att18x16Lg-66IBx24","price":2003.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x6 slats [+$960]","offer_id":42807989928116,"sku":"Att18x16Lg-26IBx64","price":2459.0,"currency_code":"USD","in_stock":true},{"title":"Shade canopies [+$540]","offer_id":43214321778868,"sku":"Att18x16Lg-CPY88Bx2-CPY810Bx2","price":2039.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/AttQuadLg-InlineMed_d5189e4c-5dee-4f83-9b65-46aa92efc392.png?v=1747272379"},{"product_id":"attached-18x16-pergola-with-roof-diy-hardware-kit","title":"Attached 18x16 Pergola Off House with Roof","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"No roof (frame only)","offer_id":42225970938036,"sku":"Att18x16Sm","price":799.0,"currency_code":"USD","in_stock":true},{"title":"Straight inline 2x4 slats [+$480]","offer_id":42807662870708,"sku":"Att18x16Sm-24IBx40","price":1279.0,"currency_code":"USD","in_stock":true},{"title":"2x4 rafters atop beams [+$480]","offer_id":42807662903476,"sku":"Att18x16Sm-24RBx30","price":1279.0,"currency_code":"USD","in_stock":true},{"title":"Inline 4x4 posts [+$480]","offer_id":42807662936244,"sku":"Att18x16Sm-44IBx32","price":1279.0,"currency_code":"USD","in_stock":true},{"title":"Angled 2x4 slats [+$864]","offer_id":42807662969012,"sku":"Att18x16Sm-24IBx72","price":1663.0,"currency_code":"USD","in_stock":true},{"title":"Shade canopies [+$540]","offer_id":43214127136948,"sku":"Att18x16Sm-CPY88Bx2-CPY810Bx2","price":1339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/products\/AttQuadSm-InlineMed_f8246fe4-8fa6-41db-a792-0fecf9bab0bb.png?v=1747272103"},{"product_id":"stand-alone-18x16-pergola-with-canopy","title":"18 x 16 Pergola with Canopies","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"Default Title","offer_id":43149295550644,"sku":"Free18x16Sm-CPY88Bx2-CPY810Bx2","price":1459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/files\/FreeQuadSm-CPY1212Bx4-SideView_fa3b48f7-7163-4a71-b240-267ba48bdcb2.jpg?v=1747269727"},{"product_id":"18x16-covered-pergola-with-sun-shade","title":"18x16 Covered Pergola with Sun Shades","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"Default Title","offer_id":43152883646644,"sku":"Free18x16Lg-CPY88Bx2-CPY810Bx2","price":2539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/files\/FreeQuadLg-CPY1212Bx4-SideView_c9a3abaa-d2b6-4203-90a4-c7fb825a1b82.jpg?v=1747269689"},{"product_id":"wall-mounted-18x16-pergola-with-shade-cover","title":"18' x 16' Pergola with Shade Covers","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"Default Title","offer_id":43180708364468,"sku":"Att18x16Sm-CPY88Bx2-CPY810Bx2","price":1249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/files\/AttQuadSm-CPY1212Bx4-SideView_334a5a40-e712-4b85-ab15-8c2d528502e2.jpg?v=1747269623"},{"product_id":"attached-18-by-16-pergola-and-canopy","title":"18 by 16 Pergola and Canopies","description":"\u003c!----\u003e","brand":"Zen Pergolas","offers":[{"title":"Default Title","offer_id":43190108881076,"sku":"Att18x16Lg-CPY88Bx2-CPY810Bx2","price":1949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/1390\/8916\/files\/AttQuadLg-CPY1212Bx4-SideView_a2df7663-d2eb-4f45-9cb8-fe2d6b9918f1.jpg?v=1747269573"}],"url":"https:\/\/zenpergolas.com\/collections\/18x16-pergolas\/type_free-standing+roof-style_wood-slats.oembed","provider":"Zen Pergolas","version":"1.0","type":"link"}