ColourTree 11ft x 18ft x 21.1ft Red Triangle Sun Shade Sail

In this review the ColourTree 11' x 18' x 21.1' Red Triangle Sun Shade Sail is recommended for homeowners and gardeners who want a sturdy, waterproof shade solution that also blocks most UV. The single biggest reason to buy is its durable 220 GSM 100% PURE virgin polyethylene fabric finished with commercial UV stabilization, which delivers long lasting protection and keeps the canopy performing in sun and occasional rain. This review focuses on real-world durability, waterproof performance and how the sail installs and looks in a typical backyard.

Key Features

• 220 GSM virgin fabric: The heavy-duty 100% PURE polyethylene material provides substantial tear resistance and a robust feel compared with lighter sails.
• Commercial UV stabilization: UV treatment helps the sail maintain color and block up to 95% of harmful UV rays for safer patio time.
• Waterproof coated surface: The waterproof finish sheds rain so it can act as both a sun shade and a temporary shelter during storms.
• 316 stainless steel D-rings: One premium grade D-ring on each corner simplifies hanging and stands up to outdoor corrosion.
• Double reinforced stitching: Reinforced seams improve pull strength around the D-rings and reduce the risk of tearing in gusts.

Who It's For

This sail is well suited for homeowners, gardeners, and small property owners who need a compact triangular canopy for patios, carports or garden seating areas and want a product that balances sun protection with water resistance. It also appeals to buyers looking for a heavier, more durable shade sail fabric and commercial-grade hardware.

It is less ideal for those who require a permanent overhead structure or a fully tensioned architectural installation; professional mounting and additional hardware may be necessary for large, wind-exposed spans or permanent coverage. Buyers wanting a translucent fabric that completely diffuses light should compare materials, since this sail still allows some natural light through.

Pros & Cons

Pros

• Durable 220 GSM 100% virgin polyethylene construction feels substantial and resists wear.
• Waterproof coating effectively blocks rain while providing strong shade and 95% UV blockage.
• Commercial UV stabilization and double stitched seams increase longevity in sun exposure.
• 316 stainless steel D-rings make mounting straightforward and resist rust over time.

Cons

• As a triangular sail, full coverage requires careful placement or multiple sails for larger areas.
• Not intended as a permanent roof replacement; heavy prolonged wind or snow loads need a different solution.

Specifications

Shape	Triangle
Size	11' x 18' x 21.1'
Fabric	220 GSM 100% PURE virgin polyethylene
UV Protection	Up to 95% UV blockage, commercial UV stabilization
Waterproof	Waterproof coated surface
Hardware	One 316 stainless steel D-ring on each corner
Seams	Double reinforced stitched seams

Our Verdict

The ColourTree red triangle sun shade sail is a practical, heavy-duty choice for patios, gardens or carport shelters where dependable sun protection and water resistance matter. With its 220 GSM virgin fabric, reinforced seams and stainless D-rings, it offers good value for anyone needing a durable seasonal canopy rather than a permanent roof. Recommended for those who want solid performance and straightforward installation.

Frequently Asked Questions

Is the sail fully waterproof?
The sail is waterproof coated and sheds rain, making it suitable as a canopy alternative for patios and carports, though pooling should be avoided on flat installations.

How does it handle sun and UV?
Finished with commercial UV stabilization and rated to block about 95% of UV, it provides strong protection while allowing some natural light.

What mounting hardware is included?
The sail includes one premium grade 316 stainless steel D-ring on each corner; additional anchors, turnbuckles or poles are not included and may be needed for a permanent setup.