{"product_id":"shademart-8-ft-x-21-ft-red-sun-shade-sail-upf50-rectangle-heavy-duty","title":"ShadeMart 8 ft x 21 ft Red Sun Shade Sail UPF50 Rectangle - Heavy Duty","description":"\u003cp\u003eOur review of the ShadeMart 8 ft x 21 ft Red Sun Shade Sail finds it best suited for homeowners and small businesses looking for a durable, breathable canopy that cuts heat and sun without trapping water. The biggest reason to buy is the fabric choice: woven HDPE with stainless steel D rings and heavy webbing delivers reliable \u003cstrong\u003esun protection\u003c\/strong\u003e and long-term durability while remaining water permeable, so it sheds wind and rain rather than acting like a tarp.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMATERIAL:\u003c\/strong\u003e Woven HDPE fabric provides a lightweight but rugged screen that blocks up to 95% of harmful UV rays while staying breathable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHARDWARE:\u003c\/strong\u003e Stainless steel corner D rings attached to heavy white webbing offer secure anchor points that resist corrosion and simplify mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBREATHABILITY:\u003c\/strong\u003e The water permeable weave allows water and air to pass through, reducing wind lift and preventing ponding during rain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEAT REDUCTION:\u003c\/strong\u003e By blocking a large portion of sunlight the sail can lower outdoor temperatures noticeably, improving comfort under the canopy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCUSTOM SIZE OPTION:\u003c\/strong\u003e Custom sizing is available to fit irregular venues, provided accurate measurements are supplied before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTYLING:\u003c\/strong\u003e Rectangle shape and color choices let the sail double as a decorative element for patios, carports, pergolas, and pools.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe ShadeMart rectangle shade sail is ideal for patio and yard owners who want a heavy duty, UV resistant canopy that still lets rain pass through. It works well for carports, poolside covers, pergolas or temporary sun protection where breathability and corrosion-resistant fittings matter.\u003c\/p\u003e\u003cp\u003eThose who need a fully waterproof canopy, a perfectly rigid structure, or an exact pre-cut industrial rectangle with laser tolerances should look elsewhere; this product is breathable by design and can show minor shape variation from manual measurements.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh UV blockage and UPF performance reduce sun exposure and lower surface temperatures.\u003c\/li\u003e\n\u003cli\u003eStainless steel D rings and heavy webbing make attachment straightforward and durable.\u003c\/li\u003e\n\u003cli\u003eWater permeable fabric prevents ponding and handles rain without acting like a roof.\u003c\/li\u003e\n\u003cli\u003eCustom sizing and multiple colors provide flexibility for many outdoor layouts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot waterproof by design, so it will not keep an area fully dry in heavy rain.\u003c\/li\u003e\n\u003cli\u003eSome customers report size or shape variation, so precise measurement and acceptance of manual tolerance are required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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\u003e8 ft x 21 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 Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of UV rays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings with heavy duty white webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Resistance\u003c\/td\u003e\n\u003ctd\u003eWater permeable, not waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe ShadeMart 8 ft x 21 ft rectangle sail is a practical, value-oriented choice for anyone needing durable \u003cstrong\u003eUV resistant\u003c\/strong\u003e coverage that breathes rather than floods. It is especially good for patios, carports and poolside shade where corrosion-resistant fittings and heat reduction matter; buyers should measure carefully and accept that the sail is not waterproof.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\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 be fully waterproof.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be attached to trees or poles?\u003c\/strong\u003e\u003cbr\u003eYes, with appropriate hardware kits the stainless steel D rings and webbing make it suitable for attachment to poles, trees, walls or roofs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it block the sun effectively?\u003c\/strong\u003e\u003cbr\u003eYes, the woven HDPE fabric blocks up to 95% of harmful UV rays and helps lower temperatures under the canopy.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48745972596955,"sku":"B0B6B2DWQB","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/A1gstAiWFwL._AC_SL1500_578e03fd-185b-464b-b06c-cc34ebdc5cf1.jpg?v=1778791909","url":"https:\/\/gearmusthave.com\/products\/shademart-8-ft-x-21-ft-red-sun-shade-sail-upf50-rectangle-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}