{"product_id":"shademart-12ft-x-19ft-black-sun-shade-sail-upf50-heavy-duty","title":"ShadeMart 12ft x 19ft Black Sun Shade Sail UPF50 - Heavy Duty","description":"\u003cp\u003eOur review of the ShadeMart 12ft x 19ft black sun shade sail finds it best for homeowners and small businesses wanting a durable, breathable canopy that reduces heat and blocks UV. The biggest reason to consider this sail is its practical combination of woven HDPE fabric and stainless steel corner D rings, which together deliver long-lasting sun protection and simple attachments for patios, carports, and pool areas. It is not waterproof, so buyers seeking passive cooling and UV blockage will appreciate its performance, while anyone needing full rain protection should look elsewhere.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Woven HDPE fabric provides a sturdy, tear-resistant surface that breathes and resists UV degradation over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV protection:\u003c\/strong\u003e Blocks up to 95% of harmful UV rays to significantly reduce sun exposure and lower surface temperatures beneath the sail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel corner D rings are sewn into heavy duty white webbing to give secure anchor points for a range of mounting options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater permeability:\u003c\/strong\u003e The sail is water permeable and breathable so rain and air pass through rather than pooling on the fabric.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizing:\u003c\/strong\u003e Available in custom sizes so you can match unusual spans, with the supplier noting that area remains constant despite minor manual measurement variance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile styling:\u003c\/strong\u003e Rectangle shape and color options allow the sail to function as both a practical shade and a design element for patios and outdoor living areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 12ft x 19ft rectangle sail is ideal for homeowners, renters, and small businesses who need reliable sun protection for patios, carports, pergolas, or poolside areas and who value breathability over waterproofing. It suits locations where airflow and reduced heat load are priorities and where attachment points like posts, walls, or trees are available.\u003c\/p\u003e\n\u003cp\u003eIt is not the right choice for someone needing a fully waterproof canopy or for precise architectural installs where exact rectangle dimensions are critical; some buyers reported mixed size perceptions and slight shape variances due to manual measurement and fabric tensioning.\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 quality woven HDPE fabric that feels durable and resists UV damage.\u003c\/li\u003e\n\u003cli\u003eStainless steel D rings and heavy webbing provide strong, dependable anchor points.\u003c\/li\u003e\n\u003cli\u003eEffective sun protection with UPF50 performance and noticeable temperature reduction beneath the sail.\u003c\/li\u003e\n\u003cli\u003eBreathable, water permeable design prevents water pooling during rain.\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 keep rain out; only suitable for shade and airflow.\u003c\/li\u003e\n\u003cli\u003eSize and exact rectangle geometry may vary slightly with manual measurements and installation tensioning.\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\u003e12ft x 19ft\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\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel corner D rings with heavy duty webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctionality\u003c\/td\u003e\n\u003ctd\u003eWater permeable, breathable, blocks up to 95% UV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 12ft x 19ft rectangle shade sail is a solid value for anyone who needs durable UV protection and improved comfort outdoors without sacrificing airflow. Its HDPE fabric and stainless anchors make it rugged and long lasting for patios, carports, and poolside shading; just be aware it is not waterproof and that custom sizing requires careful measuring for the best fit.\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 sail is water permeable and breathable, not waterproof, so it allows water to pass through rather than keeping rain out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much UV protection does it offer?\u003c\/strong\u003e\u003cbr\u003eShadeMart states the fabric blocks up to 95% of harmful UV rays and delivers UPF50-level sun protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be attached to different structures?\u003c\/strong\u003e\u003cbr\u003eYes, with proper hardware it can be mounted to poles, walls, trees, roofs, or other anchor points; stainless D rings and heavy webbing provide secure attachment.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48246943547611,"sku":"B0B69YJ2X5","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81KPSgNRfmL._AC_SL1500_417e97db-c007-465b-b83b-57ddae551771.jpg?v=1771095427","url":"https:\/\/gearmusthave.com\/products\/shademart-12ft-x-19ft-black-sun-shade-sail-upf50-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}