21ft x 24ft x 31.9ft Right Triangle Sun Shade Sail - Heavy Duty UV

In this review the ColourTree right triangle sun shade sail is assessed for homeowners and small businesses looking for a durable, highcoverage canopy. The bottom line: this sail is for anyone who needs a heavy duty, breathable shade that blocks most UV while standing up better than recycled options. Tested fabric and reinforced corners make it a practical pick for patios, poolsides and carports where long life and reliable shade are priorities.

Key Features

• 190 GSM virgin HDPE: The thick, 100% virgin material provides noticeably stronger fabric that is designed to resist tearing and fading compared to recycled alternatives.
• UV stabilized compound: Lab testing up to 20,000 hours indicates improved resistance to sun damage, which helps maintain strength and color under prolonged exposure.
• 95% UV blockage: The woven fabric reduces harmful sunlight and lowers temperature in the shaded area, making it suitable for patios, balconies and pool decks.
• Breathable weave: Air and water pass through the fabric so there is no pooling during rain and ambient airflow is preserved for comfort.
• Reinforced seams and stainless Drings: Double layered stitched edges and heavy stitching at each corner make attachment points secure when used with proper hardware.
• Commercial heavy duty design: The construction and material choices aim to deliver multiseason performance with a 3 year limited warranty for normal use.

Who It's For

This shade sail suits homeowners, small commercial sites and renters who want a large right triangle canopy for patios, carports or poolside shade and who value durability and UV protection. It is especially useful where a true 90 degree corner or similar mounting points are available and buyers want a fabric that breathes and sheds water.

People who need a turnkey mounting kit or who prefer lightweight, decorative fabric for temporary events should look elsewhere; installation requires separate hardware and cable ropes and the sail is designed for permanent or semipermanent installations rather than singleuse setups.

Pros & Cons

Pros

• High quality 190 GSM virgin HDPE provides robust durability and better UV resistance than recycled fabric.
• Blocks 95% of UV while remaining breathable, so shaded areas stay cooler and do not trap water.
• Well reinforced edges and stainless Drings reduce the risk of frayed corners and failure at attachment points.
• Backed by a 3 year limited warranty under normal use, offering added buyer protection.

Cons

• Installation hardware is not included and must be purchased separately, which adds cost and requires careful selection of cables and anchors.
• The sail is heavy duty and less convenient to remove frequently, so it is not ideal for very short term or frequently moved shade needs.

Specifications

Shape	Right triangle
Size	21' x 24' x 31.9'
Material	190 GSM 100% virgin HDPE
UV Protection	Approximately 95% UV blockage
Hardware	Stainless steel Drings on each corner (hardware sold separately)
Breathability	Woven fabric allows air and water to pass through
Warranty	3 year limited warranty

Our Verdict

The ColourTree right triangle shade sail is a solid, valueminded choice for anyone needing longlasting UV protection in a large canopy. Its 190 GSM virgin HDPE, reinforced construction and breathable weave deliver practical performance for patios, pools and carports, but plan on buying the correct hardware separately and expect a more permanent installation rather than a temporary cover.

Frequently Asked Questions

Does the sail allow rainwater to drain?
Yes. The breathable woven fabric lets water pass through so pooling is avoided during rainy weather.

Are mounting accessories included?
No. Installation hardware and cable ropes must be purchased separately; use nonnylon cable ropes and proper shade sail hardware for best results.

How long will the material last in sun?
The virgin HDPE was lab tested to extended UV exposure and is described as significantly more durable than recycled fabric, and the product comes with a 3 year limited warranty for normal use.