11 ft x 11 ft x 15.6 ft Right Triangle Sun Shade Sail - White UPF50

In this review of the 11 ft x 11 ft x 15.6 ft right triangle shade sail, the bottom line is simple: it's for anyone who needs a large, custom-fit sun canopy that cuts heat and blocks the majority of UV. The reviewer found the sail's single biggest advantage to be its combination of 95% sun protection and a measurable temperature drop under the fabric, making it a practical upgrade from portable umbrellas or small canopies for patios, playgrounds, and commercial seating areas.

Key Features

• 95% UV blockage: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays for safer outdoor use during peak sun hours.
• Temperature reduction: The sail can reduce temperatures by as much as 15 degrees compared with unshaded areas, improving comfort for seating and play zones.
• Custom fit: Measurements are taken from D-ring to D-ring so the sail can be ordered to match a specific layout or adjusted for straighter edges on request.
• Durable construction: Stainless steel D-rings, reinforced edges and double-layer stitching resist fraying and wear in regular outdoor use.
• Easy installation: The sail installs to trees, roofs, walls or poles using mounting hardware kits and requires a small gap at each corner for proper tensioning.
• Commercial standard: Designed to meet heavier-duty use cases where a larger, long-lasting shade solution is needed.

Who It's For

This shade sail is best for homeowners, small businesses, and community spaces that need a larger triangular canopy to cover patios, seating areas, playground equipment, or poolside zones. Anyone replacing a small umbrella or adding shade to an outdoor dining area will appreciate the increased coverage and cooler environment.

It is not ideal for someone seeking a temporary, lightweight sun umbrella or a fully waterproof awning; the fabric is water and air permeable and is optimized for sun protection and airflow rather than rainproof shelter.

Pros & Cons

Pros

• Blocks up to 95% of UV, offering strong sun protection for occupants.
• Can lower temperatures under the sail by up to 15 degrees for noticeable comfort improvement.
• Stainless steel D-rings and reinforced stitching increase longevity and secure mounting.
• Customizable sizing ensures a tailored fit for awkward or specific layouts.

Cons

• Durability reports are mixed over long-term sun exposure; a few users noted degradation after extended time in intense sun.
• Not fully waterproof, so it won't replace a solid rainproof canopy for wet-weather protection.

Specifications

Our Verdict

The 11 ft x 11 ft x 15.6 ft right triangle shade sail is a practical, value-minded choice for those needing strong sun protection and cooler outdoor spaces. With commercial-grade construction and custom sizing, it suits patios and communal areas well; buyers who need full rainproofing or who expect decade-long performance in extreme sun should consider maintenance or replacement schedules.

Frequently Asked Questions

Is this sail waterproof?
Answer. No, the fabric is water and air permeable and is designed for sun protection and airflow rather than waterproofing.

How should I measure for a custom fit?
Answer. Measure from D-ring to D-ring at each corner and provide those exact dimensions when ordering so the sail matches your mounting points.

How long is the warranty?
Answer. The sail comes with a 3-year assurance included.