Custom Size 21ft x 24ft Black Rectangle Sun Shade Sail - UPF50

In this review of the 21' x 24' black rectangle sun shade sail, the bottom line is simple: it is best for homeowners or commercial users who need a heavy duty, customizable canopy that blocks most UV and meaningfully cools outdoor areas. The reviewer found the sail's main strength is consistent, reliable sun protection - the 200 GSM HDPE fabric and reinforced construction deliver up to 95% UV blockage while remaining air and water permeable. For anyone after a tailored fit and durable hardware, this shade sail is an immediately practical choice.

Key Features

• 95% UV blockage: The dense 200 GSM HDPE fabric blocks up to 95% of harmful sun rays for safer outdoor time.
• Temperature reduction: The canopy can lower shaded surface temperatures by as much as 15 degrees compared with unshaded areas.
• Custom fit: Measured D-ring to D-ring, the sail is made to order so it fits unusual or exact spaces better than off-the-shelf options.
• Durable construction: Stainless steel D-rings, reinforced edges and double-layer stitching resist fraying and heavy use.
• Flexible installation: The sail mounts to trees, roofs, walls or poles and permits placement adjustments with recommended corner gap guidelines for best tension.
• Commercial standard: Built to a commercial heavy duty standard with a three year assurance for longer service life.

Who It's For

The sail is ideal for homeowners with patios, decks or play areas who want a tailored canopy that reduces UV exposure and heat in a visible, long-lasting solution. It also suits small businesses and commercial venues needing a heavy duty, custom-sized shade for outdoor seating or walkways.

It is less suitable for buyers who want a fully waterproof awning or a rigid, frame-mounted structure; this product is water and air permeable by design and performs as a shade sail rather than a solid canopy. If you need a pop-up or temporary sun umbrella for occasional use, a lighter, portable option will be more convenient.

Pros & Cons

Pros

• High sun protection and heat reduction through dense 200 GSM HDPE fabric that blocks up to 95% of UV.
• Custom sizing with D-ring measurements ensures a precise fit for nonstandard spaces.
• Robust hardware and reinforced stitching increase durability and longevity for commercial use.
• Customers report good value, color stability and resistance in high wind conditions.

Cons

• Permeable fabric means it is not fully waterproof, so it will not provide complete rain protection like solid canopies.
• Installation requires planning for corner gaps and secure anchor points, which may need additional hardware or professional help for large installations.

Specifications

Brand	Amgo
Made to order size	21' x 24' rectangle
Material	200 GSM HDPE fabric
UV protection	Up to 95% blockage (UPF50+)
Hardware	Stainless steel D-rings with reinforced edges
Permeability	Water and air permeable
Assurance	3 year assurance

Our Verdict

The Amgo custom 21' x 24' rectangle shade sail is a practical, value-minded choice for anyone needing reliable UV protection and a cooler outdoor area with a custom fit. Its heavy duty fabric and hardware make it suited to both residential and commercial installations, as long as buyers accept that the sail is breathable rather than fully waterproof.

Frequently Asked Questions

How much UV protection does this sail provide?
The fabric is 200 GSM HDPE and blocks up to 95% of UV, corresponding to UPF50+ level protection.

Is the sail waterproof?
No, the material is water and air permeable; it shades and reduces heat but is not a fully waterproof membrane.

Can I order a different shape or straight edges?
Yes, this product is customizable; contact the maker for alternate shapes or straight edge options and provide D-ring to D-ring measurements.