{"product_id":"custom-size-13ft-x-21ft-brown-rectangle-sun-shade-sail-upf50","title":"Custom Size 13ft x 21ft Brown Rectangle Sun Shade Sail - UPF50","description":"\u003cp\u003eIn this review the author tests the custom size 13' x 21' brown rectangle sun shade sail to judge whether it is a practical canopy for patios, decks, and commercial outdoor spaces. The bottom line: this heavy-duty sail is aimed at people who need reliable sun blockage and durable construction without sacrificing airflow; the single biggest reason to buy is its \u003cstrong\u003e95% UV blockage\u003c\/strong\u003e in a thick 200 GSM HDPE fabric that noticeably cools shaded areas by up to 15 degrees. Installation flexibility and reinforced hardware make it attractive to homeowners and small businesses alike.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e95% UV protection:\u003c\/strong\u003e The 200 GSM HDPE fabric blocks up to 95% of harmful rays, creating a safer outdoor space for extended use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature reduction:\u003c\/strong\u003e The canopy can lower surface temperatures by up to 15 degrees compared to direct sun, improving comfort under the sail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Stainless steel D-Rings, double-layer stitching and reinforced edges increase longevity and resist fraying in regular conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and air permeable:\u003c\/strong\u003e The material lets air and water pass through, reducing wind load and pooling during light rain while maintaining shade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizes available:\u003c\/strong\u003e Orders are made to measure from D-ring to D-ring so the sail fits nonstandard spaces better than off-the-shelf options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-year assurance:\u003c\/strong\u003e The product includes a 3-year assurance which supports confidence in the material and assembly over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is best for homeowners, renters with secure mounting points, and small commercial operators who need robust sun protection and want a custom fit for awkward spaces. It works well over patios, playgrounds, poolside seating, and outdoor dining areas where lower temperatures and reliable UV defense matter.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers needing a fully waterproof canopy for heavy, prolonged rain or people who prefer ultra-lightweight, temporary shade for occasional events; this is a commercial-standard, heavy duty sail designed for repeated, semi-permanent use.\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 sun protection with 95% UV blockage for safer outdoor exposure.\u003c\/li\u003e\n\u003cli\u003eDurable 200 GSM HDPE fabric and stainless steel D-Rings resist wear and wind.\u003c\/li\u003e\n\u003cli\u003eCustom sizing and reinforced stitching make it a precise, long-lasting fit.\u003c\/li\u003e\n\u003cli\u003ePermeable design lowers temperature and avoids water pooling after light 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 fully waterproof for heavy, prolonged downpours, since the fabric is water permeable.\u003c\/li\u003e\n\u003cli\u003eInstallation requires careful measurement and solid anchor points; some users may need professional help for large or high installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eCustom rectangle shade sail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e13 ft x 21 ft (custom made)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e200 GSM HDPE fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV protection\u003c\/td\u003e\n\u003ctd\u003eUp to 95% blockage (UPF50+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D-Rings, reinforced edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeather characteristics\u003c\/td\u003e\n\u003ctd\u003eAir and water permeable; reduces temperature by up to 15 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssurance\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe custom size 13' x 21' brown rectangle sun shade sail is a solid choice for anyone who needs substantial sun protection, durable materials, and a tailored fit; it delivers strong UV blockage, measurable cooling, and heavy-duty construction at a reasonable value. Buy it if you have stable mounting points and want an engineered shade solution that will last; avoid it if you require a fully waterproof awning for constant heavy rain.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I measure for a custom sail?\u003c\/strong\u003e\u003cbr\u003eMeasure from D-ring to D-ring and allow the recommended gap at each corner; the seller custom fits the sail based on those measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo, it is water permeable to prevent pooling; it sheds light rain but is not designed as a fully waterproof canopy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it withstand strong winds?\u003c\/strong\u003e\u003cbr\u003eWith proper installation and secure anchors the reinforced fabric and stainless D-Rings handle high wind conditions better than lightweight sails, though expectations should match local weather severity.\u003c\/p\u003e","brand":"Amgo","offers":[{"title":"Default Title","offer_id":48200801681627,"sku":"B0C1M89JQR","price":168.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91uLmmvH3jL._AC_SL1500_1a850e19-66f2-4a90-b7c6-e8b95c5cee9f.jpg?v=1770310680","url":"https:\/\/gearmusthave.com\/products\/custom-size-13ft-x-21ft-brown-rectangle-sun-shade-sail-upf50","provider":"GearMustHave","version":"1.0","type":"link"}