19ft x 20ft Blue Sun Shade Sail UPF50 Rectangle - Heavy Duty Outdoor

Our review of the 19' x 20' Blue Sun Shade Sail finds it best for homeowners and small-business owners who need broad, breathable UV protection for patios, carports, and pools. The single biggest reason to buy is its combination of woven HDPE fabric and stainless steel corner D rings that deliver durable, long-lasting shade while remaining water permeable so runoff and airflow continue. Installation is straightforward with common hardware, and the sail's rectangle shape and color options make it a practical, decorative addition rather than a temporary tarp.

Key Features

• Woven HDPE fabric: provides durable, breathable shade while blocking up to 95% of harmful UV rays to noticeably lower temperatures.
• Stainless steel D rings: attached to heavy duty white webbing for stronger anchor points that resist corrosion and simplify mounting.
• Water and air permeable: allows water to pass through the fabric so it does not pool, and lets air flow to reduce wind loading and heat buildup.
• Custom sizing available: offers a broad selection of custom sizes so buyers can match the sail to unique patios, pergolas, or carports when measured accurately.
• Rectangle styling: a clean, versatile shape that integrates with existing outdoor designs and can be used as a decorative canopy.

Who It's For

The ShadeMart 19' x 20' rectangle sail is ideal for homeowners with medium to large outdoor spaces who want a permanent-feeling canopy that improves comfort by blocking sun and lowering temperatures. It is also a good fit for small businesses with outdoor seating or carport areas that need UV protection without trapping rainwater.

It is less suitable for buyers who need a fully waterproof shelter or who cannot attach secure anchors such as poles, trees, or walls. If you require a sealed, rainproof cover or a product with integrated grommeted tension hardware included, consider a different style.

Pros & Cons

Pros

• Durable woven HDPE blocks most UV rays while remaining breathable for cooler shade.
• Stainless steel D rings and heavy webbing create reliable anchor points that hold up over time.
• Custom sizes and multiple colors make it adaptable to many outdoor layouts and styles.
• Customers report easy installation and strong performance in windy conditions.

Cons

• Not waterproof, so it will not keep areas dry during rain and some buyers reported mixed experiences on perceived water resistance.
• Sizes may vary slightly due to manual measurement so careful measuring is required before ordering.

Specifications

Our Verdict

The ShadeMart 19' x 20' rectangle shade sail is a practical, value-oriented choice for anyone wanting reliable UV protection and improved outdoor comfort without trapping rain. Its HDPE construction and stainless steel D rings make it durable and easy to install, and custom sizing options increase versatility. Choose this sail if you need breathable shade for patios, pools, or carports and can provide secure anchor points.

Frequently Asked Questions

Is this shade sail waterproof?
No, this style is water permeable and breathable; it allows water to pass through and is not designed to be waterproof.

What hardware is included?
The product features stainless steel corner D rings attached to heavy white webbing, but installation hardware kits are separate and must be purchased as required for posts or wall anchors.

Will it block sun and lower temperature?
Yes, the woven HDPE fabric blocks up to 95% of harmful UV rays and customers report noticeable cooling, often reducing felt temperatures by several degrees.