12ft x 13ft x 17.7ft Black Right Triangle Sun Shade Sail - UV Block
12ft x 13ft x 17.7ft Black Right Triangle Sun Shade Sail - UV Block
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In this review the focus is on a large custom right triangle sun shade sail designed for heavy use outdoors. The reviewer found it best suited for homeowners and small commercial spaces that need reliable sun protection, with the biggest reason to buy being its thick 190 GSM virgin HDPE fabric that resists fading and tearing. Installation requires proper hardware sold separately, but once mounted the sail delivers consistent cooling and strong UV protection without trapping water, making it a practical long-term shading solution.
Key Features
- 190 GSM Virgin HDPE: Thick non-recycled fabric provides extra durability and resists drying out and tearing, especially under prolonged sun exposure.
- UV Stabilized Compound: Laboratory UV treatment means the fabric maintains color and strength longer than recycled alternatives, reducing maintenance and replacement frequency.
- 95% UV Blockage: The woven mesh blocks most harmful sun rays, lowering temperature in the shaded area and protecting skin and furnishings.
- Breathable, Water-Permeable Fabric: The weave allows air and rain to pass through, preventing ponding and helping roofs, pools, and patios dry quickly after storms.
- Reinforced Edges and D-rings: Double-layer stitched seams and stainless steel D-rings give secure anchor points and reduce the chance of fraying or pull-through.
- 3-Year Limited Warranty: Warranty coverage under normal use provides added confidence for longer-term outdoor installations.
Who It's For
This shade sail is ideal for homeowners with patios, pools, balconies or carports who need a large durable covering that withstands strong sun and Florida-like conditions. It also suits small businesses and cafes seeking commercial-grade shade that looks neat and requires minimal upkeep.
It is not for buyers expecting a complete installation package out of the box, since hardware kits and appropriate cable are required and sold separately. Those who prefer a lighter, portable canopy or a fully framed awning should consider different products.
Pros & Cons
Pros
- High-quality 190 GSM virgin HDPE gives noticeably better durability than recycled fabrics.
- Blocks 95% of UV while remaining breathable, so shaded spaces feel cooler without water pooling.
- Reinforced seams and stainless steel D-rings improve long-term reliability when properly installed.
Cons
- Installation requires separate hardware and non-nylon cable; buyers must plan and purchase mounting kits.
- The large custom size needs careful measuring and sturdy anchor points to avoid wind stress.
Specifications
| Shape | Right triangle |
| Size | 12 ft x 13 ft x 17.7 ft |
| Color | Black |
| Material | 190 GSM 100% virgin HDPE mesh |
| UV Protection | 95% UV blockage |
| Edge Construction | Double layered reinforced stitched seams with stainless steel D-rings |
| Warranty | 3 years limited |
Our Verdict
This large black right triangle shade sail is a solid, value-focused choice for anyone needing durable sun protection that performs in strong sunlight. With thick virgin HDPE, reinforced corners, and high UV blockage it is worth the extra planning for hardware - buyers who want long-lasting, low-maintenance shade will likely find it a good investment.
Frequently Asked Questions
Does the sail prevent water pooling?
Yes. The breathable woven HDPE allows water to pass through so pooling is avoided.
Is installation hardware included?
No. Hardware kits and appropriate cable are sold separately and are required for secure mounting.
How long is the expected lifespan?
Material is UV-stabilized and comes with a 3-year limited warranty; lab testing showed better durability than recycled alternatives.
Editor's Take
This large black right triangle shade sail offers durable sun protection with 190 GSM virgin HDPE and 95% UV blockage, making it a good value for patios and small commercial spaces when paired with proper mounting hardware.

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