Custom Size 20ft x 20ft x 28.3ft Right Triangle Sun Shade Sail - UPF50
Custom Size 20ft x 20ft x 28.3ft Right Triangle Sun Shade Sail - UPF50
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Our review of this custom right triangle shade sail finds it best for homeowners and small commercial spaces that need strong sun protection and a tailored fit. The single biggest reason to buy is its combination of heavy 200 GSM HDPE fabric with 95% UV blockage, which delivers noticeable cooling and reliable sun defense for patios, playgrounds, or outdoor seating. Installation is flexible enough for DIYers familiar with mounting points, and the option to supply exact D-ring to D-ring measurements means the sail can be made to fit awkward or irregular areas.
Key Features
- 95% UV protection: The 200 GSM HDPE material blocks up to 95% of harmful rays to protect skin and outdoor furnishings.
- Temperature reduction: The fabric can reduce ambient temperatures by up to 15 degrees compared to unshaded areas for a cooler outdoor experience.
- Custom sizing: The sail is made to order using D-ring to D-ring measurements so it can match unusual layouts and mounting locations.
- Durable construction: Reinforced edges, double-layer stitching and stainless steel D-rings improve longevity under regular use.
- Permeable design: Water and air permeability help prevent pooling and reduce wind load compared with solid canopies.
- Easy installation guidelines: Guidance on corner gaps and mounting points makes it straightforward to plan attachment to trees, roofs or poles.
Who It's For
This shade sail is ideal for anyone who needs a tailored shade solution over a patio, garden seating, playground, or commercial outdoor area where standard sizes won't fit. It suits users who value higher UV protection, want measurable cooling, and can supply or measure exact D-ring distances for a made-to-order canopy.
It may be less suitable for buyers who need a fully waterproof awning or who expect maintenance-free, multi-year performance in extremely harsh sun without occasional replacement; some customers report good long-term durability, while others in very exposed locations saw faster wear.
Pros & Cons
Pros
- High sun protection with up to 95% UV blockage for safer outdoor time.
- Can lower surface temperatures by about 15 degrees, making patios more comfortable.
- Custom sizing from D-ring to D-ring delivers a precise fit for irregular spaces.
- Stainless steel D-rings and reinforced stitching improve build quality and reliability.
Cons
- Durability can vary by exposure; some users report degradation after a year or more in intense sun.
- Not fully waterproof, since material is water and air permeable, so it will not keep out heavy rain.
Specifications
| Shape | Right triangle |
| Size | 20' x 20' x 28.3' |
| Material | 200 GSM HDPE |
| UV Blockage | Up to 95% |
| Temperature Reduction | Up to 15 degrees vs unshaded area |
| Hardware | Stainless steel D-rings, reinforced edges |
| Customization | Made to order using D-ring to D-ring measurements |
Our Verdict
This custom right triangle shade sail is a practical, good-value choice for anyone needing strong sun protection and a tailored fit for patios or commercial seating. Its 95% UV protection, cooler shaded area and reinforced construction make it a sensible buy, though buyers in extremely exposed locations should expect occasional replacement over many seasons.
Frequently Asked Questions
Is this sail waterproof?
The fabric is water and air permeable, so it sheds light rain but is not fully waterproof for heavy downpours.
How should I measure for a custom fit?
Provide precise D-ring to D-ring measurements; installers should leave the recommended corner gaps for best performance.
How long will it last in direct sun?
Longevity depends on exposure; many users see over a year of solid service, but highly exposed installations may show wear sooner.
Editor's Take
This custom right triangle shade sail offers strong sun protection and a tailored fit for patios and small commercial spaces; it provides good cooling and durable hardware, though longevity varies by exposure.

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