ColourTree Right Triangle 21ft x 23ft x 31.1ft Red Sun Shade Sail

In this review the ColourTree right triangle sun shade sail is assessed for homeowners and small businesses who need a durable, high-coverage solution for patio, poolside or carport shade. The biggest reason to buy is its heavy 190 GSM virgin HDPE fabric that is UV stabilized and lab tested, offering strong sun protection and long life compared with recycled alternatives. The sail balances effective cooling with breathability, making it a practical choice where sunlight reduction and weather resistance are primary concerns.

Key Features

• 190 GSM virgin HDPE: Thick, non-recycled material gives a noticeably robust feel and is designed to resist tearing and drying out under long sun exposure.
• UV stabilized compound: Fabric was treated and lab tested up to 20000 hours to improve resistance to fading and degradation, extending usable life.
• 95% UV blockage: Designed to block most harmful UV rays and reduce temperatures in the shaded zone, useful for patios, pools and balconies.
• Breathable woven fabric: Allows air and water to pass through to prevent pooling and reduce wind stress on the mounting points.
• Reinforced edges and D-rings: Double layered stitched seams and stainless steel D-rings provide a sturdy attachment system for cable or hardware kits.
• 3 year limited warranty: Warranty covers normal weather and usage, offering some assurance for longer term outdoor use.

Who It's For

The sail is best for homeowners, landscapers and small businesses seeking a heavy-duty, long-lasting shade fabric for medium to large outdoor areas such as patios, balconies, pool decks or carports. It suits installations where a true right-angle corner or multi-point mounting is available and where a bold color accent is desired.

Those who should look elsewhere include buyers wanting an all-in-one kit - installation hardware is sold separately - and users needing a waterproof canopy rather than a breathable shade that allows water through. If ultralight or budget disposable sails are the goal, the thicker 190 GSM material may be more than necessary.

Pros & Cons

Pros

• High-quality 190 GSM virgin HDPE feels durable and resists UV wear better than recycled fabrics.
• Blocks up to 95% of UV, noticeably reducing sunlight and heat in shaded areas.
• Breathable weave prevents water pooling and reduces wind uplift compared with solid canopies.

Cons

• Installation requires separate hardware and cable ropes, so additional purchase and planning are needed.
• Not fully waterproof by design, since the fabric is breathable to allow drainage.

Specifications

Shape	Right triangle
Dimensions	21 ft x 23 ft x 31.1 ft
Material	190 GSM 100% virgin HDPE
UV Protection	Approximately 95% UV blockage
Finish	UV stabilized compound with reinforced stitched edges
Hardware	D-rings included; installation hardware sold separately
Warranty	3 year limited warranty

Our Verdict

The ColourTree right triangle sun sail is a strong choice for anyone needing durable, effective UV protection with good airflow and long-term resistance to fading. It delivers solid value for outdoor shade when paired with proper mounting hardware and is especially suited to patios, pools and carports where fabric longevity and performance matter.

Frequently Asked Questions

Is the shade sail waterproof?
The fabric is breathable to allow water through so it is not fully waterproof; it prevents pooling and reduces wind load but will not shed heavy rain like a solid tarp.

Does it include installation hardware?
No, D-rings are fitted to the sail but cables and wall/pole hardware are sold separately; use steel cable and appropriate hardware for best results.

How long will the fabric last outdoors?
The virgin HDPE was lab tested for extended UV exposure and the product carries a 3 year limited warranty under normal weather and use, which indicates good multi-year durability.