ColourTree 11ft x 21ft x 23.7ft Right Triangle Sun Shade Sail - Heavy

In this review of the ColourTree right triangle sun shade sail the bottom line is simple: this is a heavy duty, commercial-grade shade for homeowners and light commercial spaces who need strong UV protection and long life. The sail is made from 190 GSM 100% virgin HDPE that has undergone extended UV testing, so it stands out for durability and color retention. For anyone shading a patio, pool, balcony or carport and who wants breathable fabric that blocks most UV, this sail delivers a clear performance-focused option.

Key Features

• 190 GSM virgin HDPE: The thick non-recycled fabric is built to resist tearing and fading, offering noticeably greater longevity under intense sun exposure.
• UV stabilized compound: Laboratory-tested UV stability helps prevent material degradation and keeps the sail serviceable for longer seasons.
• 95% UV blockage: High UV blockage significantly reduces sunlight and heat in the shaded area, making it effective for patios, pools and balconies.
• Breathable woven fabric: The weave allows air and water to pass through so there is no pooling after rain and improved airflow beneath the sail.
• Reinforced edges and stainless D-rings: Double-layer stitched seams and heavy stitching at the corners keep the sail shaped and mounting points secure when properly installed.
• 3 year limited warranty: The included warranty gives added reassurance for normal use and weather conditions.

Who It's For

This shade sail is ideal for homeowners, small business owners and property managers who want a durable shading solution that resists fading and UV damage over time. It works well over patios, swimming pools, carports and open balconies where a right triangle layout fits available anchor points.

It is less suitable for buyers who need a ready-to-install kit; hardware and cables are sold separately and proper stainless fittings and non-nylon cables are required for best results. Those seeking a lightweight, temporary or decorative-only sail might prefer thinner, lower GSM options instead.

Pros & Cons

Pros

• Very durable 190 GSM virgin HDPE provides better long-term resistance to sun and wear than recycled material.
• High UV blockage substantially reduces heat and protects shaded surfaces and occupants.
• Breathable weave prevents water pooling and improves comfort beneath the sail.
• Reinforced seams and stainless steel D-rings make mounting robust when paired with proper hardware.

Cons

• Installation requires separate hardware and correct cable choice; nylon rope is not recommended and will underperform.
• Limited warranty covers normal weather and usage only, so extreme conditions may shorten usable life.

Specifications

Shape	Right triangle
Size	11' x 21' x 23.7'
Material	190 GSM 100% virgin HDPE
UV Protection	Approximately 95% UV blockage
Hardware	Stainless steel D-rings (hardware sold separately)
Breathability	Breathable woven fabric, allows water and air through
Warranty	3 years limited

Our Verdict

The ColourTree right triangle shade sail is a practical choice for anyone who needs a heavy duty, UV-stable canopy that lasts. Its 190 GSM virgin HDPE and reinforced construction make it good value for permanent or semi-permanent installations, provided buyers budget for proper stainless hardware and cables. For patios, pools and carports where reliable sun blockage and durability matter, this sail is a smart buy.

Frequently Asked Questions

Does the sail come with installation hardware?
The sail does not include hardware or cables; those are sold separately and stainless fittings are recommended.

Will water pool on the fabric in rain?
No, the breathable woven fabric allows water to pass through so it resists pooling and drying issues.

How well does it block sun?
The fabric is rated to block about 95% of harmful UV, making it effective at reducing heat and sunlight in shaded areas.