Custom Size 13ft x 21ft x 24.7ft Brown Right Triangle Sun Shade Sail
Custom Size 13ft x 21ft x 24.7ft Brown Right Triangle Sun Shade Sail
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In this review of the custom size 13' x 21' x 24.7' brown right triangle sun shade sail the bottom line is simple: it is a durable, customizable shade option for yards, patios and small commercial spaces that need strong UV protection without blocking airflow. The reviewer found the sail's 95% UV blockage and heavy 200 GSM HDPE fabric the single biggest reason to buy, since it noticeably reduced heat and provided reliable cover. Installation is straightforward for someone comfortable with basic mounting points, and the sail comes with reinforced hardware for longer use.
Key Features
- 95% Sun Protection: The 200 GSM HDPE fabric blocks up to 95% of UV rays so shaded areas are safer for people and pets.
- Temperature Reduction: The sail can lower felt temperatures by up to 15 degrees compared with unshaded spots, making outdoor time more comfortable.
- Custom Fit: Measurements are taken D-ring to D-ring so the sail can be ordered to closely match an irregular space.
- Durable Construction: Stainless steel D-rings, reinforced edges and double-layer stitching reduce fraying and extend usable life.
- Water & Air Permeable: The weave allows airflow and some water passage, so it cools without trapping wind or heavy rain load.
- Easy Installation: The sail attaches to trees, roofs or poles with common mounting kits and clear spacing guidance for best performance.
Who It's For
This shade sail is ideal for homeowners, small business patios, and hobbyists who need a tailored triangular shade and value high UV protection. Gardeners, chicken coop owners and poolside users who want airflow and sun blocking will appreciate the fabric and construction.
Customers who need exact ready-made dimensions without customization, or those wanting a fully waterproof canopy, should consider other options, because this sail is designed for UV shading with water permeability rather than full rainproof coverage.
Pros & Cons
Pros
- High sun protection and real temperature reduction in shaded areas.
- Sturdy materials and reinforced stitching give good long-term durability.
- Custom sizing from D-ring to D-ring lets the sail fit irregular spaces.
- Breathable fabric reduces wind load and prevents heat buildup beneath the sail.
Cons
- Some customers report the finished piece runs smaller than expected, so measure carefully before ordering.
- Not fully waterproof; it is water permeable and intended primarily for shade.
Specifications
| Shape | Right triangle |
| Size | 13' x 21' x 24.7' |
| Material | 200 GSM HDPE |
| UV Blockage | Up to 95% |
| Hardware | Stainless steel D-rings, reinforced edges |
| Performance | Water and air permeable; reduces temperature by up to 15 degrees |
| Assurance | 3 year assurance included |
Our Verdict
The custom right triangle sun shade sail is a practical, cost-effective choice for anyone who wants reliable sun protection and cooler outdoor spaces. Its heavy 200 GSM fabric, reinforced hardware and customizable sizing make it a smart buy for patios, garden areas or small commercial spots, provided buyers confirm measurements to avoid disappointment with fit and accept that the sail is not fully waterproof.
Frequently Asked Questions
Will this sail block most UV?
Yes, the fabric blocks up to 95% of UV radiation, offering strong protection in shaded areas.
Can it be used in rain?
The sail is water permeable and will not be fully waterproof; it is designed to allow water to pass through rather than shed heavy rain.
How should I measure for a custom fit?
Measure from D-ring to D-ring as instructed so the ordered dimensions match the mounting points and allow at least 0.5 ft gap at corners for best performance.
Editor's Take
The custom right triangle sun shade sail delivers strong UV protection, durable construction and measurable temperature reduction; it is a good value for patios and outdoor areas if buyers confirm measurements and accept that it is water permeable.

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