13ft x 20ft x 23.9ft Black Right Triangle Sun Shade Sail - UPF50

In this review the Amgo 13' x 20' x 23.9' black right triangle sun shade sail is evaluated for homeowners and small commercial spaces that need broad, reliable sun protection. The bottom line: it is best for anyone who wants a large, custom-sized sail that blocks most UV and meaningfully cools a shaded area, while offering reinforced hardware and a three-year assurance for peace of mind. The reviewer found it straightforward to measure D-ring to D-ring for a tailored fit and appreciated that the fabric is breathable and water permeable, avoiding pooled rain.

Key Features

• 95% UV blockage: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays for safer outdoor time in sun-exposed areas.
• Temperature reduction: The sail can lower ambient temperature by up to 15 degrees compared to unshaded spots, which makes patios and play areas noticeably cooler.
• Customizable fit: Precise D-ring to D-ring measurements allow a tailored installation to match odd or angled mounting points.
• Durable construction: Reinforced edges and stainless steel D-rings with double-layer stitching resist fraying and ease long-term use.
• Water and air permeable: The textile passes air and light rain through, preventing water pooling and improving ventilation under the canopy.
• Flexible installation: The sail mounts to trees, walls, roofs or poles and works with common hardware kits for varied setups.

Who It's For

This shade sail is for homeowners, cafes, daycare yards and small commercial sites that need a large triangular canopy with strong UV protection and a custom fit. It suits people prepared to measure between D-rings accurately and who want a permeable fabric that avoids puddling and allows airflow.

Those who should look elsewhere include buyers expecting a rigid, fully waterproof awning or a temporary beach umbrella replacement for very short-term use; a few customers reported mixed long-term durability in extreme sun exposure, so locations with constant, intense UV and salt spray may require closer maintenance or a different material.

Pros & Cons

Pros

• High sun protection that blocks up to 95% of UV for safer outdoor living.
• Noticeable cooling effect, often up to about 15 degrees in shaded areas.
• Sturdy hardware and reinforced stitching give a commercial-standard feel and include a three-year assurance.
• Breathable, water-permeable fabric prevents pooling and improves comfort.

Cons

• Some buyers report mixed long-term durability in intense sun over a year; performance may vary by climate and care.
• Requires careful measuring and proper corner gaps for optimal fit, which may challenge first-time installers.

Specifications

Product shape	Right triangle
Size (D-ring to D-ring)	13' x 20' x 23.9'
Fabric	200 GSM HDPE
UV protection	Up to 95% blockage (UPF50+)
Permeability	Water and air permeable
Hardware	Stainless steel D-rings, reinforced edges, double stitching
Assurance	3 years included

Our Verdict

This triangular shade sail is a practical, cost-effective option for those needing strong sun protection and a tailored installation. Its 95% UV blockage, cooling effect and reinforced hardware make it a good value for patios, play areas and small commercial spaces, provided the buyer measures carefully and monitors long-term wear in very sunny or harsh environments.

Frequently Asked Questions

How should I measure for a custom fit?
Measure between the D-ring points on the sail once installed and provide those D-ring to D-ring dimensions; leave at least 0.5 ft gap between D-rings and poles for best tension.

Is the sail waterproof?
No, the fabric is water permeable by design to prevent pooling; it sheds light rain but is not a fully waterproof tarp.

How long will it last in direct sun?
Many users report good service over a year or more, and the product includes a 3-year assurance, but durability can vary with climate and UV exposure.