{"product_id":"shademart-21-ft-x-24-ft-green-sun-shade-sail-rectangle-uv-blocking","title":"ShadeMart 21 ft x 24 ft Green Sun Shade Sail Rectangle - UV Blocking","description":"\u003cp\u003eIn this review of the ShadeMart 21' x 24' green rectangle shade sail, the bottom line is simple: this is a robust, breathable canopy for people who want reliable sun protection without trapping heat. The reviewer found it best for patios, carports and RV covers because the woven HDPE fabric blocks up to 95% of UV while remaining water and air permeable, so it lowers temperature under the sail. Installation requires appropriate hardware, but the heavy duty webbing and stainless steel D rings make anchoring straightforward for most DIYers.\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 durable UV protection while remaining breathable so heat and moisture do not build up underneath.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel D rings:\u003c\/strong\u003e Corner hardware resists corrosion and gives strong attachment points for long-term outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and air permeable:\u003c\/strong\u003e The sail sheds wind load by letting air pass through and allows rain to drip through instead of pooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlocks up to 95% UV:\u003c\/strong\u003e Significantly reduces direct sunlight and lowers temperatures by roughly 10 to 15 degrees under the canopy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizing available:\u003c\/strong\u003e Multiple size options and custom cuts let you fit odd-shaped patios, carports, or pool areas when measured carefully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRectangular styling:\u003c\/strong\u003e Simple shape integrates with many outdoor designs and can be tensioned between trees, poles or building anchors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is aimed at homeowners and RV owners who need heavy duty sun protection for a patio, carport, pergola or poolside area and who prefer a breathable, nonwaterproof canopy that reduces heat. It is also suited to seasonal outdoor spaces where airflow and UV blocking matter more than rainproof coverage.\u003c\/p\u003e\n\u003cp\u003ePeople who need a fully waterproof shelter, or who expect continuous torrential rain protection, should look for a waterproof awning instead. Also, buyers who need an exact color match should be aware color shades can vary slightly and some customers reported mixed opinions on the advertised tone.\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\u003eExcellent UV blocking and noticeable temperature reduction beneath the sail.\u003c\/li\u003e\n\u003cli\u003eDurable construction with woven HDPE and stainless steel D rings for solid anchoring.\u003c\/li\u003e\n\u003cli\u003eBreathable and water permeable design reduces wind stress and pooling from light rain.\u003c\/li\u003e\n\u003cli\u003eCustom size options make it flexible for many outdoor configurations.\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 rain protection during heavy storms.\u003c\/li\u003e\n\u003cli\u003eColor and exact measurements can vary slightly due to manufacturing and manual measurement.\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\u003e21' x 24'\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 Hardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings on heavy duty webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeather Performance\u003c\/td\u003e\n\u003ctd\u003eWater and air permeable, not waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of harmful UV rays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 21' x 24' green rectangle shade sail is a practical, value-focused choice for anyone needing effective sun protection with airflow. It combines sturdy HDPE fabric and stainless fittings to deliver long-lasting shade that cuts UV and lowers temperatures, making it a sensible buy for patios, carports and RV covers as long as you do not require full waterproofing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo, the fabric is water permeable and breathable by design, so it will not be fully waterproof in heavy rain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it attach to structures?\u003c\/strong\u003e\u003cbr\u003eThe sail uses stainless steel D rings attached to heavy duty webbing and can be tethered to poles, trees, walls or roof anchors with the proper hardware kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it reduce temperature under the sail?\u003c\/strong\u003e\u003cbr\u003eYes, the HDPE weave and UV blocking reduce direct sunlight and typically lower temperatures by about 10 to 15 degrees beneath the canopy.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48193627783387,"sku":"B09W8L2FS8","price":227.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91nNgYfANXL._AC_SL1500_f3fa540c-efde-45b0-8ba0-d9d75c8d5a03.jpg?v=1770290174","url":"https:\/\/gearmusthave.com\/products\/shademart-21-ft-x-24-ft-green-sun-shade-sail-rectangle-uv-blocking","provider":"GearMustHave","version":"1.0","type":"link"}