{"product_id":"shademart-13ft-x-21ft-turquoise-rectangle-sun-shade-sail-uv-block","title":"ShadeMart 13ft x 21ft Turquoise Rectangle Sun Shade Sail - UV Block","description":"\u003cp\u003eIn this review the ShadeMart 13' x 21' Turquoise Sun Shade Sail Rectangle is evaluated for homeowners and small-business owners who need a durable, breathable canopy that cuts sun and heat without creating a waterproof roof. The biggest reason to consider this shade sail is its combination of woven HDPE fabric and stainless steel corner D rings, which delivers strong, long-lasting shade that blocks up to 95% of harmful UV while remaining water and air permeable. It is best for patios, carports, poolside equipment covers and other outdoor areas where airflow and UV protection matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eWoven HDPE fabric:\u003c\/strong\u003e provides a lightweight but robust canopy that reduces temperatures by about 10 to 15 degrees and resists tearing under normal outdoor use.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStainless steel D rings:\u003c\/strong\u003e corner fittings on heavy duty white webbing give secure attachment points that hold up to repeated tension and weather exposure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWater and air permeable:\u003c\/strong\u003e the sail allows rain and airflow to pass through, preventing ponding while maintaining shade and ventilation beneath the canopy.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh UV protection:\u003c\/strong\u003e blocks up to 95% of harmful UV rays to protect people and equipment from sun damage and reduce ambient heat.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCustom size options:\u003c\/strong\u003e the brand offers custom sizing so the sail can be tailored to specific patios, pergolas or carports when standard sizes do not fit.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDecorative rectangle styling:\u003c\/strong\u003e a simple rectangular shape and color choices let the sail integrate with existing outdoor design while providing practical shade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart rectangle shade sail is well suited for homeowners who want an affordable, easy-to-install shading solution for patios, decks, pools, carports and outdoor equipment areas; it works particularly well where airflow and UV reduction are priorities rather than full waterproofing. It is also a practical option for small businesses that need temporary or semi-permanent shade over seating or walkways.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who need a fully waterproof canopy or a rigid, permanent roof replacement, and customers who prefer a custom-fitted structure provided and installed by a contractor rather than a fabric sail that requires accurate on-site measurements and hardware for mounting.\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 UV blocking and notable temperature reduction under the sail for more comfortable outdoor use.\u003c\/li\u003e\n \u003cli\u003eDurable construction with woven HDPE fabric and stainless steel corner D rings attached to heavy webbing.\u003c\/li\u003e\n \u003cli\u003eWater and air permeable design prevents water pooling and keeps airflow, making it suitable for many weather conditions.\u003c\/li\u003e\n \u003cli\u003eGood value for the price and easy to install with the proper hardware kit, according to customer experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot waterproof, so it will not provide full protection from heavy rain or serve as a substitute for a solid roof.\u003c\/li\u003e\n \u003cli\u003eManual sizing can vary slightly in measurements, requiring careful measurement before ordering and adjustment during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eShadeMart\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 \u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e13' x 21'\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\u003eCorner Fittings\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings on heavy duty white webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFunctionality\u003c\/td\u003e\n\u003ctd\u003eWater and air permeable, blocks up to 95% UV\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCustomization\u003c\/td\u003e\n\u003ctd\u003eCustom sizes available; area remains constant despite manual measurement variation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 13' x 21' Turquoise Rectangle Sun Shade Sail is a sensible buy for anyone seeking a breathable, UV-blocking shade solution that is durable and easy to install with the right hardware. It delivers strong material quality and noticeable temperature reduction at a reasonable price, but it is not a replacement for a waterproof roof, so buyers should choose it when airflow and sun protection are the primary goals.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eThe fabric style is not waterproof; it is water permeable and allows rain to pass through to avoid ponding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it reduce temperature under the canopy?\u003c\/strong\u003e\u003cbr\u003eYes, the woven HDPE fabric blocks sunlight and can lower temperatures under the sail by about 10 to 15 degrees in typical conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be attached to trees or poles?\u003c\/strong\u003e\u003cbr\u003eYes, with the proper hardware kits the sail can be attached to poles, trees, walls, roofs and other structures for a secure installation.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48248394252507,"sku":"B0C1MD769L","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81tBzelYGJL._AC_SL1500_3c2bb4dc-87c2-4f0f-bdd6-16265b4ac8ed.jpg?v=1776278739","url":"https:\/\/gearmusthave.com\/products\/shademart-13ft-x-21ft-turquoise-rectangle-sun-shade-sail-uv-block","provider":"GearMustHave","version":"1.0","type":"link"}