9 ft x 16 ft x 18.4 ft Black Right Triangle Sun Shade Sail - 95% UV

Our review of this right triangle sun shade sail finds it best suited for homeowners and small-business patios who want reliable sun protection without a permanent structure. The single biggest reason to buy is the fabric's combination of strength and UV performance: made from 200 GSM HDPE it blocks up to 95% of UV rays while remaining water and air permeable, so it lowers temperatures and stands up to everyday outdoor use. Installation is flexible enough to anchor to trees, walls or poles, and the reinforced edges with stainless D-rings give a clear sense of long-term durability.

Key Features

• 95% UV blockage: The 200 GSM HDPE fabric blocks most harmful rays so shaded areas stay safer for people and pets.
• Temperature reduction: The sail reduces ambient temperature by up to 15 degrees compared with unshaded spots, improving comfort under direct sun.
• Water and air permeable: Permeable construction prevents pooling and allows airflow, reducing wind stress on the canopy.
• Custom sizing: The product is made to order from D-ring to D-ring for a tailored fit and can be customized to straight edges on request.
• Premium durability: Reinforced edges, double stitching and stainless steel D-rings offer commercial-grade strength and a three-year assurance.
• Flexible installation: Can be attached to trees, roofs, walls or poles and works with standard mounting hardware kits for many mounting configurations.

Who It's For

This shade sail is ideal for homeowners who need a custom-fit triangle canopy for patios, decks, play areas or small commercial outdoor seating. It suits people who value durability and sun protection but want a non-permanent, breathable cover that reduces heat without trapping moisture.

It is less appropriate for buyers expecting a precise off-the-shelf dimension; customers should measure D-ring to D-ring carefully because the product is made to measured size and some buyers report the finished piece can feel smaller than expected if measurements are off.

Pros & Cons

Pros

• High UV protection and measurable temperature reduction for comfortable shade.
• Sturdy construction with stainless steel D-rings and double-layer stitching improves longevity.
• Permeable fabric prevents water pooling and reduces wind load compared with solid canopies.
• Custom sizing option allows a tailored fit for awkward spaces.

Cons

• Customers occasionally find the finished sail smaller than expected, so precise measurement is important.
• Requires separate mounting hardware and thoughtful spacing at corners for best performance.

Specifications

Shape	Right triangle
Size (nominal)	9 ft x 16 ft x 18.4 ft
Material	200 GSM HDPE
UV Protection	Up to 95% blockage
Permeability	Water and air permeable
Hardware	Stainless steel D-rings, reinforced edges
Warranty	3-year assurance

Our Verdict

This custom right triangle shade sail is a sensible buy for anyone who needs strong sun protection and a cooler outdoor area without building permanent cover. Its quality construction and UV performance make it good value for patios, gardens, and small commercial spaces, provided buyers measure carefully and plan for mounting hardware.

Frequently Asked Questions

How should I measure for a custom sail?
Measure from D-ring to D-ring for each side and allow the recommended corner gap; measure twice to avoid an unexpectedly small fit.

Is the sail waterproof?
The fabric is water permeable, so it sheds runoff without pooling but it is not a fully waterproof tarpaulin.

Can it withstand wind?
Permeable HDPE and reinforced edges reduce wind load; correct installation with proper tension and hardware improves wind performance.