Blue Rectangle 20 ft x 21 ft Sun Shade Sail - 95% UV Protection

In this review the focus is on a large, custom-fit rectangular shade sail that aims to keep outdoor spaces cooler and safer. The reviewer found the Amgo-style sail best for homeowners or small businesses who need reliable sun protection over patios, play areas, or seating zones, with the single biggest reason to buy being its 95% sun protection and sturdy construction that stands up to regular use. Installation is practical for anyone comfortable with basic mounting hardware, and the customizable measurements make it suitable for awkward or nonstandard areas.

Key Features

• High UV blockage: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays, reducing sun exposure for people and surfaces beneath it.
• Temperature reduction: Tested use shows temperatures under the sail can be up to 15 degrees cooler than adjacent unshaded areas, improving outdoor comfort.
• Durable build: Reinforced edges, double-layer stitching and stainless steel D-Rings provide long-lasting strength and resistance to fraying.
• Customizable fit: The sail is ordered to size with measurements taken D-ring to D-ring so it can be tailored to unique layouts or trimmed for straight edges if requested.
• Water and air permeability: The breathable fabric allows wind and some rain through, lowering wind load and preventing water pooling.
• Three-year assurance: The product includes a three year assurance that covers construction quality and stitching durability.

Who It's For

This shade sail suits homeowners, small commercial operators and landscapers who need a reliable, large-area shade solution that reduces heat and blocks most UV radiation. It is especially good for patios, pergolas, poolside areas, playgrounds or over seating where a cooler, safer environment is desired.

Customers who want a permanent hard-roofed canopy or full waterproof coverage should look elsewhere, since this sail is water permeable and designed to allow breezes through. Also, those who need exact standardized retail sizes without customization may prefer off-the-shelf models.

Pros & Cons

Pros

• Effective UV protection with up to 95% blockage for safer sun exposure.
• Noticeable temperature reduction beneath the sail, improving comfort on hot days.
• Robust hardware and construction with stainless steel D-Rings and reinforced stitched edges for durability.
• Custom sizing makes it practical for irregular or bespoke outdoor layouts.

Cons

• Not fully waterproof due to its breathability, so it will not function as a solid rain barrier in heavy storms.
• One reported customer issue noted an incorrect dimension on a delivery, so careful measurement and verification at order time are important.

Specifications

Our Verdict

This rectangular shade sail is a sensible choice for anyone who needs a large, breathable canopy that significantly cuts sun exposure and lowers temperature. Its durable construction, customizable sizing and strong UV protection offer good value for outdoor shading projects, provided buyers verify measurements and accept that it is not a solid waterproof roof.

Frequently Asked Questions

How much sun does this sail block?
The fabric blocks up to 95% of UV rays, offering strong protection while remaining breathable.

Can it reduce temperature under the sail?
Yes, users report up to about 15 degrees cooler conditions beneath the sail compared with nearby unshaded areas.

Is this a fully waterproof canopy?
No, the HDPE material is water and air permeable so it will not form a watertight barrier in heavy rain.