{"product_id":"custom-size-13ft-x-18ft-white-rectangle-shade-sail-upf50-sun-canopy","title":"Custom Size 13ft x 18ft White Rectangle Shade Sail - UPF50+ Sun Canopy","description":"\u003cp\u003eIn this review we look closely at the custom size 13' x 18' white rectangle shade sail to see who will get the most value from it and why. The bottom line: this is a practical choice for homeowners, small businesses, and outdoor spaces that need dependable sun protection without heavy structure work. Its single biggest strength is material performance - the 200 GSM HDPE fabric blocks up to 95% of UV rays while remaining water and air permeable, so it cools an area without trapping heat or creating wind sail issues.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e95% UV blockage:\u003c\/strong\u003e The high-density 200 GSM HDPE fabric reliably reduces UV exposure for safer outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature reduction:\u003c\/strong\u003e The canopy lowers ambient temperature by up to 15 degrees in shaded areas, making patios and play spaces noticeably cooler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-grade durability:\u003c\/strong\u003e Reinforced edges and stainless steel D-rings with double-layer stitching improve longevity in sun and wind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom fit:\u003c\/strong\u003e Made to order from D-ring to D-ring so the sail fits the intended span and minimizes sag when installed correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and air permeable:\u003c\/strong\u003e The woven material sheds some water and allows airflow, reducing flapping and pooling in light rain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation guidance:\u003c\/strong\u003e Clear recommendations on corner gaps (about 0.5 ft) and reducing side lengths help achieve proper tension.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis shade sail is well suited for homeowners with patios, decks, pools, or play areas who want a tailored cover that balances sun protection with airflow. It also fits small commercial settings such as outdoor seating at cafes or shaded walkways where a heavy permanent structure is not practical.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include people needing a rigid, waterproof awning or an instant pop-up shelter for severe weather; this product is water and air permeable and designed primarily for sun protection rather than full rainproof coverage.\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 UV protection that blocks up to 95% of harmful rays for safer outdoor use.\u003c\/li\u003e\n\u003cli\u003eDurable construction with stainless steel D-rings and reinforced double-stitched edges for long life.\u003c\/li\u003e\n\u003cli\u003eCustom sizing provides a closer fit and neater installation for awkward or specific spaces.\u003c\/li\u003e\n\u003cli\u003eMaterial reduces temperatures by up to 15 degrees, improving comfort in hot weather.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot fully waterproof; rain can pass through the permeable fabric so it is not a substitute for a sealed awning.\u003c\/li\u003e\n\u003cli\u003eProper tensioning and corner gap planning are required for best performance, which may need extra measuring care.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e13' x 18' (custom order)\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\u003ePermeability\u003c\/td\u003e\n\u003ctd\u003eWater and air permeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D-rings with reinforced edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurability Assurance\u003c\/td\u003e\n\u003ctd\u003e3-year assurance included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 13' x 18' white rectangle shade sail is a solid, value-minded option for anyone wanting effective sun protection and cooler outdoor space without a permanent structure. Its 200 GSM HDPE fabric, reinforced construction, and custom sizing make it a practical long-term solution for patios, pools, and commercial seating areas where airflow and UV defense matter more than full rainproofing.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this shade sail block most UV rays?\u003c\/strong\u003e\u003cbr\u003eYes, the 200 GSM fabric blocks up to 95% of UV rays, offering UPF50+ level sun protection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo, the fabric is water and air permeable so it reduces pooling and wind stress but is not a fully waterproof canopy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow should I measure for a custom fit?\u003c\/strong\u003e\u003cbr\u003eMeasure from D-ring to D-ring and allow about 0.5 ft gap at corners for posts; reduce side lengths by 1 to 1.5 ft if needed for tensioning.\u003c\/p\u003e","brand":"Amgo","offers":[{"title":"Default Title","offer_id":48626952339675,"sku":"B0C1MKJ2Q2","price":154.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91aBggHwanL._AC_SL1500_50fbd1f0-6ad1-4c0b-89ca-559273c343bc.jpg?v=1778473694","url":"https:\/\/gearmusthave.com\/products\/custom-size-13ft-x-18ft-white-rectangle-shade-sail-upf50-sun-canopy","provider":"GearMustHave","version":"1.0","type":"link"}