Colourtree 16 ft x 20 ft Blue Sun Shade Sail Canopy - Heavy Duty UV

In this review of the Colourtree 16' x 20' Blue Sun Shade Sail Canopy, the bottom line is simple: this is a durable, high-coverage shade sail for homeowners who want reliable UV protection and low maintenance performance. The reviewer found the sail's single biggest selling point to be its 190 GSM 100% virgin HDPE fabric treated with a UV stabilized compound, which combines strong sun blockage and long-term resilience. It is best suited for patios, pools and carports where breathable, weather-resistant shading is required.

Key Features

• 190 GSM Virgin HDPE: The thick 190 GSM non-recycled fabric resists tearing and holds its shape after extended sun exposure for longer service life.
• UV Stabilized Compound: Laboratory-tested UV treatment reduces fading and material degradation so the sail remains effective over years, not months.
• 95% UV Blockage: The tightly woven fabric blocks the majority of harmful UV light and helps reduce temperature under the canopy on hot days.
• Breathable Woven Construction: Air and water pass through the fabric to prevent water pooling and reduce wind load compared with solid covers.
• Reinforced Corners and D-rings: Double layered stitched seams and stainless steel D-rings provide strong attachment points for secure installation.
• 3 Year Limited Warranty: The warranty gives added confidence under normal weather and usage conditions.

Who It's For

The Colourtree 16' x 20' Blue sail is ideal for homeowners and renters who need a large, reliable shade over a patio, poolside seating or a carport and who prefer a breathable fabric that avoids pooling and reduces heat. It works well where attachment points already exist such as poles, walls or mature trees and where a durable solution is preferred over thinner, recycled options.

Those who should look elsewhere include buyers needing a fully waterproof canopy, or anyone who requires premounted hardware; installation hardware is sold separately and the sail requires appropriate cables and anchors. Also measure carefully if exact dimensions are critical, since some customers noted size expectations varied.

Pros & Cons

Pros

• High-quality 190 GSM virgin HDPE fabric that showed superior durability in UV testing.
• Blocks about 95% of UV and noticeably reduces heat under the sail.
• Breathable design prevents water pooling and reduces strain in wind.
• Reinforced seams and stainless D-rings make attachments secure.

Cons

• Installation hardware is not included and cables must be chosen carefully; nylon rope is not recommended.
• Size feedback is mixed, so precise measuring and allowance for stretch is advised.

Specifications

Product type	Rectangle shade sail
Size	16' x 20'
Fabric weight	190 GSM
Material	100% virgin HDPE (non-recycled)
UV protection	Approximately 95% UV blockage
Attachment	Stainless steel D-rings at corners
Warranty	3 years limited

Our Verdict

The Colourtree 16' x 20' Blue Shade Sail is a sensible choice for anyone who wants strong UV protection, breathability and long-term durability without frequent maintenance. It represents good value for outdoor shading when paired with proper hardware, and the virgin 190 GSM fabric and reinforced construction justify choosing this model over thinner, recycled alternatives.

Frequently Asked Questions

Does this sail block UV effectively?
The fabric is rated to block about 95% of UV and noticeably reduces heat beneath the canopy.

Is hardware included for installation?
No, installation hardware kits and cables are sold separately and high-quality cables are recommended; avoid nylon rope.

How long will the sail last outdoors?
The sail uses UV stabilized virgin HDPE tested for extended UV exposure and comes with a 3 year limited warranty under normal conditions.