{"product_id":"shademart-13-ft-x-18-ft-black-sun-shade-sail-rectangle-upf50","title":"ShadeMart 13 ft x 18 ft Black Sun Shade Sail Rectangle - UPF50","description":"\u003cp\u003eIn this review the ShadeMart 13' x 18' Black Sun Shade Sail is evaluated for homeowners and small-business owners who need a breathable, durable canopy that cuts heat and blocks UV. The bottom line is simple: this rectangle shade sail delivers strong \u003cstrong\u003esun protection\u003c\/strong\u003e and airflow, making it a practical choice for patios, carports, pergolas and pool areas where reduced temperature and UV blocking are priorities. Installation is straightforward with basic hardware, and the woven HDPE fabric and stainless steel D rings give it a robust, weather-ready feel despite not being fully waterproof.\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 balance of strength and breathability so the sail resists tearing while allowing air and water to pass through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV protection:\u003c\/strong\u003e The fabric blocks up to 95% of harmful UV rays, significantly lowering temperatures in shaded areas by around 10 to 15 degrees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel corner D rings attached to heavy duty white webbing give secure attachment points for long-term outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater permeability:\u003c\/strong\u003e The sail is water permeable and breathable, preventing water pooling and reducing wind load during storms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizing:\u003c\/strong\u003e Available in a range of custom sizes so buyers can match the sail to irregular or large venues when measured accurately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyling:\u003c\/strong\u003e Rectangle shape and multiple color options allow the sail to integrate with existing outdoor decor while serving as functional shade.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis shade sail is best for homeowners, renters, and small-business owners who want an economical way to cool outdoor areas and block UV without erecting a permanent structure. It suits patios, carports, poolside lounging spots, pergolas and yards where airflow and sun protection matter.\u003c\/p\u003e\u003cp\u003ePeople seeking a fully waterproof canopy, a guaranteed perfect geometric finish, or a product preassembled with heavy-duty anchor kits may want to look elsewhere; this model is water permeable by design and customers should account for small variations from manual measurements when ordering custom sizes.\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 UPF50 sun protection reduces sun exposure and measurable heat in shaded areas.\u003c\/li\u003e\n\u003cli\u003eDurable woven HDPE fabric and stainless steel D rings stand up to regular outdoor use.\u003c\/li\u003e\n\u003cli\u003eWater permeable design prevents pooling and eases performance in rain and wind.\u003c\/li\u003e\n\u003cli\u003eAvailable custom sizes and multiple colors help match different spaces and styles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot waterproof, so it will not keep a space dry in heavy rain.\u003c\/li\u003e\n\u003cli\u003eSome customers report size variation or shape irregularity due to manual measurements.\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\u003eModel size\u003c\/td\u003e\n\u003ctd\u003e13' x 18'\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 rating\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of UV (UPF50)\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\u003eWater performance\u003c\/td\u003e\n\u003ctd\u003eWater permeable and breathable (not waterproof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle; custom sizes available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe ShadeMart 13' x 18' Black rectangle shade sail is a sensible value for anyone who needs effective \u003cstrong\u003eUV protection\u003c\/strong\u003e and improved outdoor comfort without building permanent shade. Its durable fabric and stainless fittings make it a long-lasting choice for patios, carports and pools, though buyers should expect permeability to rain and allow for minor size variation when ordering custom dimensions.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs the sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo. The fabric is water permeable and breathable so water will pass through rather than collect on the surface.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be attached to trees or poles?\u003c\/strong\u003e\u003cbr\u003eYes. With proper hardware kits the sail can be secured to poles, trees, walls or roofs and adapted to many mounting points.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it block most UV and lower temperatures?\u003c\/strong\u003e\u003cbr\u003eYes. The HDPE fabric blocks up to 95% of UV and typically lowers shaded temperatures by about 10 to 15 degrees.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48617894838491,"sku":"B0B69X6MV8","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81KPSgNRfmL._AC_SL1500_bd5b4c98-da79-47f3-9197-f4b5062de05e.jpg?v=1778522290","url":"https:\/\/gearmusthave.com\/products\/shademart-13-ft-x-18-ft-black-sun-shade-sail-rectangle-upf50","provider":"GearMustHave","version":"1.0","type":"link"}