ColourTree 11ft x 18ft x 21.1ft Sand Beige Right Triangle Shade Sail

In this review of the ColourTree right triangle shade sail, the bottom line is simple: this is a heavy duty, commercial-grade sun sail for anyone who needs reliable UV protection and long-term durability. The sail is best for patios, pools, carports and other outdoor spaces where strong sunlight and heat are concerns. Its standout benefit is the 190 GSM 100% virgin HDPE fabric treated with a UV stabilized compound, which the reviewer found noticeably tougher and longer lasting than typical recycled-material sails.

Key Features

• 190 GSM Virgin HDPE: Thick 100% virgin material resists drying, tearing and fading under prolonged sun exposure for extended lifespan.
• UV Stabilized Compound: Laboratory-tested fabric withstands extended UV exposure and is designed to stay flexible and intact through hot seasons.
• 95% UV Blockage: Dense woven fabric blocks most harmful UV rays and helps reduce temperature beneath the sail during summer.
• Breathable, Water-Permeable Weave: The mesh allows air and rainwater to pass through so water does not pool and airflow remains comfortable under the shade.
• Reinforced Construction: Double-layer stitched seams and stainless steel D-rings at corners provide secure attachment points and resist fraying.
• Commercial Build and Warranty: Designed for heavy use with a 3 year limited warranty under normal weather and usage.

Who It's For

This shade sail is aimed at homeowners and small businesses that need a robust, long-lasting canopy for patios, pool areas, balconies or carports. It suits people who prioritize UV protection and material quality over the lowest price, and those who want a clean triangular layout like a true 90 corner or an angled installation.

It is less suitable for customers who need instant full waterproof shelter (this is breathable mesh, not a waterproof tarp) or for installations where mounting hardware is not available; the sail requires separate shade sail hardware and appropriate anchor points for best performance.

Pros & Cons

Pros

• Heavy 190 GSM virgin HDPE feels durable and resists fading and tearing in strong sun.
• Blocks up to 95% of UV while staying breathable so airflow and rain drainage are preserved.
• Well finished with double-stitched edges and stainless steel D-rings for secure mounting.

Cons

• Installation requires separate hardware and proper anchoring; incorrect ropes can fail, so purchase recommended kits.
• Not fully waterproof, so it will not provide complete rain protection like a solid tarp.

Specifications

Shape	Right triangle
Size	11' x 18' x 21.1'
Color	Sand Beige
Material	190 GSM 100% virgin HDPE mesh
UV Blockage	95% UV blockage
Hardware	Stainless steel D-rings at corners (hardware sold separately)
Warranty	3 years limited

Our Verdict

The ColourTree 11' x 18' x 21.1' right triangle shade sail is a solid choice for anyone seeking durable, high-UV-protection shade that breathes and drains water. Its virgin 190 GSM HDPE fabric and reinforced corners offer long-term value for patios, pools and carports, provided you use suitable mounting hardware and accept that it is a breathable shade, not a waterproof shelter.

Frequently Asked Questions

Does this sail block most UV rays?
Yes. The woven fabric is rated to block approximately 95% of harmful UV rays, reducing sun exposure and heat beneath the sail.

Is hardware included for installation?
No. Installation hardware kits and suitable cable ropes are required and sold separately; stainless steel hardware and non-nylon cables are recommended for best results.

Will water pool on the sail in rain?
No. The breathable mesh allows water to pass through so pooling is not expected, though it is not waterproof for full rain protection.