6 ft x 11 ft x 12.5 ft Black Right Triangle Sun Shade Sail - Durable

In this review of the 6 ft x 11 ft x 12.5 ft Black Right Triangle Sun Shade Sail readers get a clear sense of who benefits most and why. The bottom line: this fabric sail is for homeowners and renters who need substantial sun protection over a pool, patio, carport or garden and value a lightweight, durable material that blocks UV effectively. The reviewer found the precisely curved edges and corner-to-corner measurement deliver a flat, attractive installation and the fabric's high tensile strength makes it a reliable seasonal solution.

Key Features

• Corner-to-corner sizing: Measurement taken from corner to corner ensures predictable coverage and helps plan placement against structures or trees.
• Curved edges: Slightly curved edges are based on a calculated radian to prevent sagging and maintain a taut, neat appearance after tensioning.
• Virgin polyethylene fabric: Lightweight but strong material gives good tensile strength for long stretches and easy handling during installation.
• High UV blockage: Provides up to 95% UV blockage and about 90% visibility reduction to keep shaded areas cooler and protect skin and surfaces.
• All-season usefulness: Offers summer shading and ventilation, some rain resistance, and slight frost protection at night for extended seasonal use.
• Custom orders and warranty: Available customization and a 3-Year Limited Warranty add flexibility and confidence for buyers with specific needs.

Who It's For

The shade sail is best for homeowners, renters, or property managers who want a practical, affordable way to shade a backyard, swimming pool, patio or carport. It suits installations where attachment points are offset or irregular because the curved-edge design reduces midspan sag and keeps the fabric taut.

People who need full waterproofing, permanent roofing, or precise custom hardware solutions should look elsewhere; while the sail is slightly rainproof and the hardware receives mixed feedback, it is primarily a UV-blocking, ventilation-focused canopy rather than a full storm-rated awning.

Pros & Cons

Pros

• High UV protection that helps keep pool and patio areas noticeably cooler.
• Curved-edge construction reduces sagging for a cleaner, longer-lasting installation appearance.
• Lightweight virgin polyethylene fabric combines durability with ease of handling during setup.
• Custom order option and a 3-Year Limited Warranty add purchase reassurance.

Cons

• Hardware included receives mixed reviews, so buyers may choose to source heavy-duty fittings for permanent or high-wind locations.
• Only slightly rainproof, so it is not a replacement for solid roofing in prolonged wet weather.

Specifications

Shape	Right triangle
Approximate size	6 ft x 11 ft x 12.5 ft (measured corner-to-corner)
Color	Black
Material	Virgin polyethylene fabric
UV blockage	Up to 95% UV blockage
Visibility reduction	About 90% visibility blockage
Warranty	3-Year Limited Warranty

Our Verdict

This right triangle shade sail is a practical, cost-effective way to add substantial sun protection to patios, pools, and driveways. The curved-edge design and strong virgin polyethylene fabric deliver reliable tension and durability for seasonal use, and the high UV blockage makes it a smart buy for anyone prioritizing cooling and sun protection. Buyers who need full waterproofing or top-end hardware should plan upgrades.

Frequently Asked Questions

Is this shade sail waterproof?
The fabric is only slightly rainproof and offers limited protection in light rain, but it is not a waterproof replacement for solid roofing.

How is the measurement taken?
Measurement is taken from corner to corner, and edges are curved so the installed sail remains taut and resists sagging.

Can it be customized?
Yes, the product is available for custom orders and comes with a 3-Year Limited Warranty for added assurance.