ColourTree CTSLR 20ft x 24ft Blue Sun Shade Sail Canopy - Heavy Duty

In this review of the ColourTree CTSLR 20' x 24' Blue Sun Shade Sail Canopy, the bottom line is practical and simple: this is a heavy-duty, high-coverage shade sail for anyone who needs reliable UV protection over a patio, pool or carport. The single biggest reason to buy is the fabric: a 190 GSM 100% virgin HDPE that was lab-tested for long-term UV exposure and treated with a UV stabilized compound, which reviewers say translates into noticeably longer life and better color retention under strong sun.

Key Features

• 190 GSM virgin HDPE: Thick, non-recycled fabric provides stronger resistance to tearing and prolonged sun exposure compared to recycled alternatives.
• UV stabilized compound: Fabric treatment prevents drying out and fading so the canopy maintains shade performance over time.
• 95% UV blockage: Blocks most harmful UV rays and reduces surface temperature in the shaded area for more comfortable outdoor use.
• Breathable woven fabric: Allows air and water to pass through to prevent pooling and reduce wind stress on the sail.
• Reinforced edges and stainless D-rings: Double layered stitched seams and D-rings with heavy stitching improve durability at mounting points.
• 3 year limited warranty: Coverage for normal weather and use gives added reassurance for longer-term outdoor protection.

Who It's For

This shade sail suits homeowners and small commercial users who need broad, dependable sun protection and want a product built from heavier, virgin HDPE rather than lighter recycled fabric. It is a good pick for patios, poolside seating, carports, playgrounds and balconies where a durable, breathable canopy is required.

Customers looking for a fully waterproof tarp-style cover, an off-the-shelf hardware kit included, or a delicate decorative sail should look elsewhere; this product is aimed at practical UV protection and requires separately purchased mounting hardware and cables for best results.

Pros & Cons

Pros

• Durable 190 GSM virgin HDPE stands up well to sun and wind for multi-season use.
• High UV blockage reduces heat and protects shaded surfaces from sun damage.
• Breathable weave prevents water pooling and lowers wind stress on the structure.
• Well-constructed edges and stainless D-rings make installation points more reliable.

Cons

• Hardware kits and cable are sold separately, so extra purchase and planning are required for installation.
• While water-resistant, some users note it is not fully waterproof in heavy rain.

Specifications

Product type	Rectangle sun shade sail canopy
Size	20' x 24'
Material weight	190 GSM
Fabric type	100% virgin HDPE (UV stabilized)
UV protection	Approximately 95% UV blockage
Mounting hardware	Stainless steel D-rings on corners (hardware kits sold separately)
Warranty	3 years limited warranty

Our Verdict

The ColourTree CTSLR 20' x 24' sun shade sail is a sensible buy for those who prioritize long-term UV protection and durability. With heavy 190 GSM virgin HDPE, reinforced edges and good breathability, it offers strong value for patios, pools and carports provided you plan for separate installation hardware.

Frequently Asked Questions

Does this shade sail block UV?
Yes. The fabric is designed to block about 95% of harmful UV rays when properly installed.

Is mounting hardware included?
No. Stainless steel D-rings are attached to the sail, but cable and hardware kits are sold separately and recommended for secure installation.

Will it collect rainwater?
The breathable woven fabric allows water to pass through and helps prevent pooling, though it is not a fully waterproof tarp.