ColourTree Custom Right Triangle Shade Sail 12ft x 12ft x 17ft

In this review the ColourTree custom size right triangle shade sail is judged primarily on durability and sun protection for outdoor spaces. It is aimed at homeowners and small commercial spaces who need a strong, breathable canopy that blocks sun without trapping heat. The single biggest reason to buy is the heavy 190 GSM virgin HDPE fabric treated with a UV stabilized compound, which the reviewer found gives noticeably better longevity and consistent 95% UV blockage compared with thinner, recycled alternatives.

Key Features

• 190 GSM virgin HDPE: Thick, non-recycled material resists tearing and stays structurally sound under prolonged sun exposure.
• UV stabilized compound: Laboratory testing and formula treatment help prevent fading and drying, extending usable life in sunny climates.
• 95% UV blockage: The woven fabric reduces direct sunlight and heat for patios, pools, balconies and carports while maintaining airflow.
• Breathable and water permeable: The weave allows rain and air to pass through so water does not pool and the shaded area remains ventilated.
• Reinforced edges and D-rings: Heavy double-layer stitched seams and stainless steel D-rings provide strong anchor points for durable mounting.
• Three year limited warranty: Warranty coverage gives reasonable confidence for normal weather and use.

Who It's For

The ColourTree right triangle shade sail suits homeowners, rental property owners and small businesses needing a reliable, aesthetically pleasing shade over a patio, pool or carport. It is particularly well suited to hot, sun-drenched regions where UV exposure is a constant concern and thicker, UV-tested fabric is a meaningful advantage.

Those who need a temporary, ultra-lightweight or fully waterproof shelter should look elsewhere; this product is a breathable, shade-first canopy rather than a sealed tarp. Also, buyers should plan to purchase separate installation hardware and cables to ensure secure mounting.

Pros & Cons

Pros

• Very sturdy 190 GSM virgin HDPE offers noticeable durability under strong sunlight.
• Blocks 95% of UV while allowing airflow to reduce trapped heat beneath the sail.
• Well finished with reinforced seams and stainless steel D-rings for secure installations.
• Three year limited warranty provides extra assurance for normal use.

Cons

• Installation hardware is sold separately so total cost is higher if mounting kits and cables are purchased.
• Not fully waterproof-rain will pass through the breathable weave, which is intended but limits weatherproofing.

Specifications

Shape	Right triangle
Size	12' x 12' x 17'
Material	190 GSM 100% virgin HDPE
UV Protection	95% UV blockage
Hardware	Stainless steel D-rings included; mounting kits sold separately
Breathability	Breathable woven fabric, allows water through
Warranty	3 year limited warranty

Our Verdict

The ColourTree 12' x 12' x 17' right triangle shade sail is a smart buy for anyone after robust UV protection and long-term durability in outdoor shade fabric. Its heavy 190 GSM virgin HDPE and reinforced construction make it better suited to sunny climates than cheaper recycled sails, and the breathable weave keeps the shaded area cooler. Budget for separate hardware when planning installation, and expect a reliable, good-value canopy for patios and pools.

Frequently Asked Questions

Does this sail block most UV?
Yes, the fabric is rated to block about 95% of harmful UV rays while still allowing airflow.

Is mounting hardware included?
No, mounting hardware kits and cable are sold separately; each D-ring needs its own cable or attachment point.

Will rain pool on the sail?
No, the woven HDPE is breathable and allows water to pass through, so pooling is unlikely.