{"product_id":"shademart-13ft-x-18ft-green-sun-shade-sail-upf50-rectangle","title":"ShadeMart 13ft x 18ft Green Sun Shade Sail UPF50 Rectangle","description":"\u003cp\u003eOur review of the ShadeMart 13' x 18' Green Sun Shade Sail finds it best suited for homeowners or small commercial spaces that need reliable sun protection without adding a solid roof. The bottom line: this woven HDPE rectangle sail blocks up to 95% of UV rays and noticeably cools areas beneath it while remaining breathable and water permeable. It is a straightforward, heavy duty fabric canopy that balances durability and airflow, making it a practical choice for patios, carports, pergolas, and poolside coverage when paired with appropriate mounting hardware.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMATERIAL:\u003c\/strong\u003e Woven HDPE fabric delivers a strong, tear-resistant surface that stands up to regular outdoor use while keeping weight low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV PROTECTION:\u003c\/strong\u003e Blocks up to 95% of harmful UV rays and sunlight, which helps lower temperatures in shaded areas by around 10 to 15 degrees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBREATHABILITY:\u003c\/strong\u003e The water permeable design allows rain and air to pass through, preventing water pooling and promoting airflow under the sail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHARDWARE:\u003c\/strong\u003e Stainless steel corner D rings attached to heavy duty white webbing provide dependable anchor points for proper installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCUSTOM SIZE OPTIONS:\u003c\/strong\u003e A wide selection of custom sizes is available so users can order dimensions that fit irregular or planned outdoor spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTYLING:\u003c\/strong\u003e Rectangle shape and multiple color choices let the sail function as both functional shade and an outdoor design element.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis ShadeMart rectangle sail is ideal for homeowners, renters with permission to install anchors, and small businesses that want cost-effective, breathable sun protection over patios, carports, pool areas, or outdoor seating. It works well where airflow and reduced heat are priorities and where a nonwaterproof canopy is acceptable because the fabric sheds water rather than acting as a roof.\u003c\/p\u003e\n\u003cp\u003eThose who need a fully waterproof structure, a perfectly rigid rectangular geometry without any variation, or a plug-and-play shade system with included permanent posts should look elsewhere. Professional installers and DIYers comfortable measuring and fitting custom-sized sails will get the most from this product.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh UPF protection and real temperature reduction make it effective for sun control.\u003c\/li\u003e\n\u003cli\u003eDurable woven HDPE fabric and stainless steel D rings provide long-lasting anchors and tear resistance.\u003c\/li\u003e\n\u003cli\u003eWater permeable design prevents water pooling and improves airflow under the canopy.\u003c\/li\u003e\n\u003cli\u003eCustom sizing options and multiple colors help match specific spaces and aesthetics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot a waterproof canopy, so it will not keep an area dry during heavy rain.\u003c\/li\u003e\n\u003cli\u003eSome customers report size or shape variations from manual measurements, so careful measuring is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eRectangle shade sail canopy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e13 ft x 18 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eWoven HDPE (High Density Polyethylene)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV block\u003c\/td\u003e\n\u003ctd\u003eUp to 95% UV protection (UPF50 class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater rating\u003c\/td\u003e\n\u003ctd\u003eWater permeable, not waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel corner D rings with heavy duty white webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 13' x 18' rectangle sun shade sail is a practical, value-oriented choice for anyone wanting strong UV protection, better airflow, and a durable fabric canopy for patios, carports, or pools. It is especially good for buyers who prefer a breathable, water permeable solution and who will use proper hardware to secure a custom-sized installation; it delivers solid sun control without the cost of rigid structures.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo. The fabric is water permeable and designed to allow water to pass through rather than provide waterproof coverage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it reduce temperature under the canopy?\u003c\/strong\u003e\u003cbr\u003eYes. The woven HDPE and UPF50 protection block sunlight and typically lower temperatures under the sail by about 10 to 15 degrees.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be attached to posts, walls, or trees?\u003c\/strong\u003e\u003cbr\u003eYes. With the proper hardware kits the stainless steel D rings and webbing make it attachable to poles, trees, walls, roofs, and other structures.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48197336891611,"sku":"B0B69WWDHJ","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91nNgYfANXL._AC_SL1500_b8eb7ba9-3fc7-4f4f-ac7f-91263d58539c.jpg?v=1770222284","url":"https:\/\/gearmusthave.com\/products\/shademart-13ft-x-18ft-green-sun-shade-sail-upf50-rectangle","provider":"GearMustHave","version":"1.0","type":"link"}