{"product_id":"shademart-17ft-x-20ft-black-sun-shade-sail-upf50-rectangle-heavy","title":"ShadeMart 17ft x 20ft Black Sun Shade Sail UPF50 Rectangle - Heavy","description":"\u003cp\u003eIn this review of the ShadeMart 17' x 20' Black Sun Shade Sail, the bottom line is simple: it is a heavy duty, breathable rectangle canopy best suited for homeowners and RV owners who need reliable UV protection without trapping heat. The sail's woven HDPE fabric and stainless steel corner D rings deliver a sturdy feeling at installation, while the fabric's air permeable design blocks up to 95% of harmful UV rays and lowers shaded temperatures by around 10 to 15 degrees. This review focuses on real-world durability, ease of setup, and how the sail performs across patios, carports, and pool areas.\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 durable, tear-resistant surface that stretches less and holds shape under normal outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Protection:\u003c\/strong\u003e Blocks up to 95% of harmful UV rays to reduce sun exposure and cool the covered area by an estimated 10 to 15 degrees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathability:\u003c\/strong\u003e Water and air permeable design lets rain and breeze pass through, preventing pooling and reducing wind load on attachment points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Ready:\u003c\/strong\u003e Stainless steel D rings attached to reinforced white webbing make it straightforward to connect standard hardware kits or mounting points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Options:\u003c\/strong\u003e Available in multiple colors and custom sizes so buyers can match existing outdoor aesthetics and fit unusual mounting layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge Construction:\u003c\/strong\u003e Double layered reinforced stitched seams and slightly curved edges resist fraying and help maintain tension when installed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe ShadeMart rectangle sail is a good match for homeowners, renters, and RV owners who need a robust shade solution for patios, carports, pergolas, or poolside areas and value strong UV protection and airflow. It is also useful for people who want a decorative shade piece that integrates with an existing outdoor design and can be attached to poles, walls, or trees with the proper hardware.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere are buyers who require a fully waterproof canopy or an ultra-light temporary sun tarp; this sail is intentionally water permeable and not sold as a waterproof shelter. Also measure carefully before ordering a custom size, since customers note sizing accuracy matters and sails are cut manually.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSturdy build with woven HDPE fabric and reinforced seams that resist fraying and hold tension well.\u003c\/li\u003e\n\u003cli\u003eExcellent sun protection that blocks about 95% of UV and noticeably lowers temperature under the sail.\u003c\/li\u003e\n\u003cli\u003eStainless steel D rings and double webbing simplify secure mounting and improve long-term corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot waterproof due to its breathable design, so it will not keep a space dry in heavy rain.\u003c\/li\u003e\n\u003cli\u003eColor selection and manual sizing can lead to small variations, so careful measuring is 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\u003e17' x 20'\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 Blockage\u003c\/td\u003e\n\u003ctd\u003eUp to 95%\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 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 17' x 20' rectangle shade sail is a practical, value-oriented choice for anyone wanting durable sun protection with airflow and strong UV blockage. It delivers on build quality, easy anchoring, and temperature reduction, making it a smart pick for patios, carports, and RV covers so long as you do not need a waterproof canopy and measure accurately for fit.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo, the fabric is water permeable and breathable, so it allows water to pass through rather than shedding heavy rain.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat hardware do I need to install it?\u003c\/strong\u003e\u003cbr\u003eUse sturdy mounting hardware kits or anchors compatible with stainless steel D rings; posts, walls, trees, or roof anchors all work with correct fittings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much UV protection does it provide?\u003c\/strong\u003e\u003cbr\u003eThe sail blocks up to 95% of harmful UV rays and typically lowers shaded temperatures by about 10 to 15 degrees.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48611572547803,"sku":"B09Y68ZB7Z","price":167.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81KPSgNRfmL._AC_SL1500_cf7c14a1-52be-4229-b13c-42982ab6b4b7.jpg?v=1778414744","url":"https:\/\/gearmusthave.com\/products\/shademart-17ft-x-20ft-black-sun-shade-sail-upf50-rectangle-heavy","provider":"GearMustHave","version":"1.0","type":"link"}