ColourTree CTSLR Custom Size 21ft x 23ft Turquoise Sun Shade Sail
ColourTree CTSLR Custom Size 21ft x 23ft Turquoise Sun Shade Sail
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In this review of the ColourTree CTSLR 21' x 23' turquoise shade sail the bottom line is simple: this is a heavy duty, commercial-style sun canopy for anyone who needs reliable UV protection and long-term outdoor performance. The reviewer found the single biggest reason to buy is the 190 GSM 100% virgin HDPE fabric treated with a UV stabilized compound, which delivers stronger resistance to fading and tearing than recycled alternatives. It is best for patios, pools, carports and outdoor seating where sustained sun exposure is a concern and a breathable fabric is desired.
Key Features
- 190 GSM Virgin HDPE: The thick, 100% virgin material is engineered for longevity and tested extensively to resist degradation under sun exposure.
- UV Stabilized Compound: Added stabilization prevents the fabric from drying out and fading so the canopy keeps its protective performance longer.
- 95% UV Blockage: The woven fabric blocks most harmful UV and helps reduce ambient temperature in shaded areas for better comfort.
- Breathable, Water-Permeable Weave: Breathable construction allows water and air to pass through to avoid pooling and reduces wind stress on the sail.
- Reinforced Edges and D-rings: Double layered stitched seams and stainless steel D-rings provide secure anchor points for a durable installation.
- 3 Year Limited Warranty: The warranty provides added confidence under normal weather and usage when properly installed.
Who It's For
The ColourTree CTSLR 21' x 23' turquoise sail is ideal for homeowners or small businesses that need a robust shade solution for patios, pool decks, carports, or play areas. It particularly suits users who want a commercial-standard material (190 GSM virgin HDPE) and a breathable fabric that reduces heat while avoiding water pooling during rain.
It is less suitable for people who need a fully waterproof canopy or those who expect to frequently reposition the cover; a waterproof tarp or a framed awning would be better for permanent water protection or very frequent reinstallation.
Pros & Cons
Pros
- Durable 190 GSM virgin HDPE resists sun damage and lasts through extended outdoor exposure.
- Blocks up to 95% of harmful UV, improving comfort under the canopy.
- Breathable weave prevents pooling and reduces wind load while allowing airflow.
- Reinforced seams and stainless steel D-rings make installation more secure and long lasting.
Cons
- Not fully waterproof, so some users may still see water pass through in heavy rain.
- Installation hardware is sold separately, so additional purchase and correct mounting are required for best results.
Specifications
| Size | Custom 21' x 23' |
| Material | 190 GSM 100% virgin HDPE |
| UV Protection | Blocks 95% of UV |
| Hardware | Stainless steel D-rings on corners (hardware sold separately) |
| Construction | Double layered reinforced stitched seams |
| Warranty | 3 year limited warranty |
Our Verdict
The ColourTree CTSLR 21' x 23' turquoise shade sail is a solid choice for anyone wanting high UV protection and durability from a breathable canopy. Its 190 GSM virgin HDPE and reinforced construction give real value for outdoor shading where sun resistance and longevity matter; just plan to buy proper shade sail hardware and accept that the fabric is water-permeable rather than fully waterproof.
Frequently Asked Questions
Is this shade sail waterproof?
Answer. The woven fabric is water-permeable to prevent pooling; it resists water but is not fully waterproof.
Does hardware come with the sail?
Answer. No, installation hardware kits are sold separately and using the recommended stainless cable and kits gives the best performance.
How long will the color and fabric last?
Answer. The virgin HDPE with UV stabilized compound has extended UV durability and the product includes a 3 year limited warranty under normal weather and usage.
Editor's Take
The ColourTree 21' x 23' turquoise shade sail delivers durable, long-lasting UV protection with 190 GSM virgin HDPE and reinforced construction, making it great value for outdoor shaded areas; hardware is sold separately and the fabric is water-permeable rather than waterproof.

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