ColourTree CTAPRT10 Custom Right Triangle Shade Sail 11ft x 21ft x

Our review of the ColourTree CTAPRT10 finds it best suited for homeowners and small commercial spaces that need a robust, custom-sized triangular sun shade. The single biggest reason to buy is its heavy-duty 190 GSM 100% virgin HDPE fabric that is UV stabilized and lab tested for long outdoor life, delivering reliable sun blockage and breathable protection where a conventional canopy might fail. Installation requires separate hardware, but the reinforced edges and stainless D-rings make the sail straightforward to tension well once the mounting points are ready.

Key Features

• 190 GSM virgin HDPE: The thick, non-recycled fabric is designed for durability under sunlight and resists drying, tearing, and fading compared to recycled alternatives.
• 95% UV blockage: The woven material blocks the majority of harmful UV rays and lowers temperature in shaded areas for better outdoor comfort.
• Breathable construction: The fabric allows air and water to pass through so there is no pooling and ventilation reduces heat buildup beneath the sail.
• Reinforced seams and stainless D-rings: Double layered stitched edges and heavy stitching at corners help maintain shape and provide secure attachment points.
• UV stabilized compound: Laboratory-tested material with extended UV resistance for longer usable life outdoors.
• 3 year limited warranty: Manufacturer warranty covers normal use and weather for additional buyer assurance.

Who It's For

The ColourTree right triangle shade sail is ideal for patio and pool owners, carport covers, and commercial outdoor seating that need a large, durable triangle shade with high UV protection. Installers and DIYers who can provide sturdy anchor points or who are willing to purchase a quality hardware kit separately will get the best results from this sail.

It is less suitable for buyers who expect a complete mounting kit in the box or who need an ultra-flexible install with nylon rope; the product requires compatible cable or hardware and prefers steel fittings for long-term performance. Those seeking very lightweight or decorative-only sails may prefer thinner options.

Pros & Cons

Pros

• High-quality 190 GSM virgin HDPE gives a noticeably sturdy feel and long-term UV resistance.
• Excellent sun protection with 95% UV blockage, making it practical for poolside and patio shading.
• Breathable fabric prevents water pooling and keeps shaded areas cooler than solid canopies.
• Well-reinforced edges and stainless D-rings simplify tensioning and reduce fray risk.

Cons

• Installation hardware is sold separately, so buyers must budget for compatible cables and fittings.
• Custom sizing requires careful measurement; some customers noted sizing accuracy as an area to verify before ordering.

Specifications

Product type	Right triangle sun shade sail
Dimensions	11' x 21' x 23.7'
Material	190 GSM 100% virgin HDPE
UV protection	95% UV blockage, UPF50
Corners	Stainless steel D-rings with reinforced stitching
Warranty	3 years limited warranty

Our Verdict

The ColourTree CTAPRT10 is a practical, value-focused choice for anyone needing a strong, long-lasting triangular shade with excellent UV protection. It delivers commercial-grade fabric and reinforced construction at a competitive price, but plan to buy a quality hardware kit separately and confirm measurements before ordering to ensure a clean install.

Frequently Asked Questions

Does the sail include mounting hardware?
The sail does not include installation hardware; high-quality stainless cables or a dedicated kit are required and recommended for best results.

How much UV protection does this fabric provide?
The woven fabric blocks about 95% of harmful UV and is rated UPF50 when properly tensioned.

Is the fabric breathable and rain friendly?
Yes, the breathable HDPE weave allows water and air to pass through, preventing pooling during rain while maintaining shade.