{"product_id":"13-ft-x-21-ft-x-24-7-ft-red-right-triangle-shade-sail-uv-block","title":"13 ft x 21 ft x 24.7 ft Red Right Triangle Shade Sail - UV Block","description":"\u003cp\u003eIn this review of the 13' x 21' x 24.7' red right triangle shade sail, the bottom line is simple: this is a practical, heavy-duty canopy for anyone who needs wide, angled sun protection over a pool, patio, carport or garden. The reviewer found the sail's corner-to-corner measurement and slightly curved edges deliver a taut, attractive fit that resists midspan sagging, and its virgin polyethylene fabric provides substantial UV and visibility blockage for summer cooling. This review focuses on real-use performance, installation notes, and who gets the most value from this sail.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCorner-to-corner measurement:\u003c\/strong\u003e The stated dimensions are measured from corner to corner so buyers can plan mounting points precisely for an accurate fit.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCurved edges:\u003c\/strong\u003e Edges are cut with a calculated radian to reduce sagging and maintain a smooth, taut appearance when tensioned.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVirgin polyethylene fabric:\u003c\/strong\u003e The material is lightweight with strong tensile strength, making the sail durable and resistant to tearing under tension.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh UV blockage:\u003c\/strong\u003e Blocks up to 95% of UV and around 90% of visibility to significantly reduce sun exposure and help keep shaded areas cooler.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAll-season utility:\u003c\/strong\u003e Provides summer shading and ventilation, some rain resistance, and can reduce overnight frost exposure in cooler conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCustom and warranty options:\u003c\/strong\u003e Available for custom sizing and backed by a 3-year limited warranty, which helps protect the purchase over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is best for homeowners and renters with medium to large outdoor spots who want a durable, attractive way to block sun over a pool, patio, driveway or garden. It suits DIY installers who can anchor three points at the correct distances and prefer a lightweight but strong fabric that resists sagging.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers needing a fully waterproof awning, exact factory-fitted hardware perfection, or a product in a custom shape without consulting the seller, since some users reported mixed experiences with included hardware and the sail is only slightly rainproof rather than watertight.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eDurable virgin polyethylene fabric that provides strong tensile strength and long seasonal use.\u003c\/li\u003e\n \u003cli\u003eHigh UV and visibility blockage that helps keep shaded spaces noticeably cooler.\u003c\/li\u003e\n \u003cli\u003eCurved edges and corner-to-corner sizing reduce midspan sag and produce a neat, tensioned look.\u003c\/li\u003e\n \u003cli\u003eCustom order option and a 3-year limited warranty add flexibility and reassurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eHardware quality received mixed feedback from customers, so buyers may want to inspect or upgrade mounting fittings.\u003c\/li\u003e\n \u003cli\u003eOnly slightly rainproof; not a replacement for a fully waterproof canopy in heavy rain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRight triangle\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMeasured\u003c\/td\u003e\n\u003ctd\u003eCorner to corner\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e13' x 21' x 24.7'\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eVirgin polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUV blockage\u003c\/td\u003e\n\u003ctd\u003eUp to 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eVisibility blockage\u003c\/td\u003e\n\u003ctd\u003eAbout 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 13' x 21' x 24.7' red right triangle shade sail is a solid value for anyone who needs substantial sun protection with a neat, tensioned fit. Its durable virgin polyethylene and curved-edge design deliver good long-term performance for patios, pools and carports, though buyers who need complete waterproofing or premium supplied hardware should plan for possible accessories or upgrades.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the sail measured?\u003c\/strong\u003e\u003cbr\u003eMeasurement is taken from corner to corner, which helps you plan mount point distances accurately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes it block UV effectively?\u003c\/strong\u003e\u003cbr\u003eYes, the fabric provides up to 95% UV blockage and about 90% visibility reduction to lower sun exposure and heat.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it fully waterproof?\u003c\/strong\u003e\u003cbr\u003eNo, it is slightly rainproof but not fully waterproof; heavy rain may pass through or run off the edges.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48250394837211,"sku":"B09QJQ1QD9","price":110.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91rDObLP4rL._AC_SL1500_402ef553-08da-442a-81c8-11846b6ba7fd.jpg?v=1771093012","url":"https:\/\/gearmusthave.com\/products\/13-ft-x-21-ft-x-24-7-ft-red-right-triangle-shade-sail-uv-block","provider":"GearMustHave","version":"1.0","type":"link"}