ColourTree Custom Size 18ft x 20ft Grey Sun Shade Sail Canopy - Heavy

In this review the ColourTree 18' x 20' grey sun shade sail is evaluated for homeowners and small commercial spaces seeking sturdy, longlasting UV protection. The single biggest reason to buy is the fabric: a heavy 190 GSM 100% virgin HDPE that has been UV stabilized and lab tested for extended outdoor exposure, which translates into noticeably better resistance to fading and tearing than many recycled alternatives.

Key Features

• Material: 190 GSM 100% virgin HDPE provides a thicker, more durable weave that resists sun damage and extends service life.
• UV Protection: Breathable woven fabric blocks up to 95% of harmful UV, lowering heat and sun exposure beneath the canopy.
• Breathability: The open weave allows air and rainwater to pass through, preventing pooling and reducing wind load on attachment points.
• Reinforced Construction: Double layered stitched seams and heavy corner stitching with stainless steel Drings improve strength at stress points for secure mounting.
• Proven Durability: Fabric was UV tested for 20,000 hours and is formulated with a UV stabilized compound to resist drying out, tearing and fading.
• Warranty: A 3 year limited warranty offers reassurance under normal weather and usage conditions.

Who It's For

The ColourTree 18' x 20' shade sail is a good fit for homeowners with patios, pools, balconies or carports who want a sturdy, longlasting canopy that reduces heat and sun exposure. Landscapers and small commercial venues that need a breathable, heavy duty shade option will also appreciate the reinforced corners and stainless steel Drings for repeated installations.

It is less suitable for buyers who expect complete waterproof coverage in heavy storms or those who need a permanently mounted rigid structure; this is a woven shade sail intended to reduce sun and allow water through rather than act as a solid rainproof roof.

Pros & Cons

Pros

• High quality 190 GSM virgin HDPE gives superior resistance to sun damage and fading.
• Blocks 95% of UV while remaining breathable, which helps keep shaded areas cooler.
• Robust construction with double stitched seams and stainless steel Drings for secure mounting.
• Three year limited warranty provides added confidence for outdoor use.

Cons

• Not completely waterproof - water passes through the breathable weave, so it will not prevent all rain from reaching the area beneath.
• Installation hardware is sold separately, so buyers must plan for additional fittings and proper cable or hardware for best results.

Specifications

Brand	ColourTree
Size	18' x 20'
Material	190 GSM 100% virgin HDPE
UV Blockage	Up to 95%
Corners	Stainless steel Drings with heavy stitching
Construction	Double layered reinforced stitched seams
Warranty	3 year limited warranty

Our Verdict

The ColourTree 18' x 20' grey sun shade sail is recommended for anyone who wants a durable, breathable canopy that delivers strong UV protection and long term color retention. It represents good value when paired with proper shade hardware, and the thicker 190 GSM virgin HDPE and reinforced corners make it a reliable choice for patios, pools and carports where sun reduction and durability matter most.

Frequently Asked Questions

Does the sail block most UV?
The fabric blocks up to 95% of harmful UV, reducing heat and sunlight in the shaded area.

Is the sail waterproof?
No, it is a breathable woven fabric that allows water to pass through to avoid pooling; it reduces sun rather than act as a solid rain barrier.

Are mounting fittings included?
No, installation hardware kits and cables are sold separately and high quality fittings are recommended for best performance.