12ft x 12ft x 17ft Sand Right Triangle Sun Shade Sail - Heavy Duty

In this review the ColourTree 12' x 12' x 17' sand right triangle sun shade sail is evaluated for homeowners and small commercial spaces that need reliable UV protection and long service life. The bottom line: this sail stands out for its thick 190 GSM virgin HDPE fabric and engineered UV stability, which together provide strong UV blockage and proven durability under prolonged sun exposure. For anyone who needs a breathable, low-maintenance shade solution that resists fading and tearing, this sail is an easy recommendation.

Key Features

• 190 GSM virgin HDPE: The thick, non-recycled fabric delivers a sturdier weave that resists stretching and maintains shape better than many lighter sails.
• UV stabilized compound: Laboratory testing shows enhanced resistance to sun damage, helping prevent drying, tearing, and color fade over time.
• 95% UV blockage: Blocks most harmful UV and reduces surface temperature beneath the sail, useful for patios, pools, and carports.
• Breathable woven fabric: Allows air and water to pass through freely so rain does not pool and the shaded area stays cooler.
• Reinforced edges and hardware: Double layered stitched seams and stainless steel D-rings improve attachment strength and reduce fraying at stress points.
• 3 year limited warranty: Coverage under normal weather and usage gives added confidence for seasonal and year-round installations.

Who It's For

This sail is ideal for homeowners, rental property managers, and small businesses that need durable sun protection for patios, balconies, swimming pool areas, or carports. It fits particularly well where a right triangle shape is required to cover awkward corners or connect posts at differing heights.

Those who should look elsewhere include buyers who need a fully waterproof canopy for continuous rain protection or anyone seeking an ultralight, temporary shade option for occasional use; this model is built for long-term performance rather than minimal cost or full waterproofing.

Pros & Cons

Pros

• Excellent durability from 190 GSM virgin HDPE that resists UV degradation.
• High UV protection reduces temperature and harmful sunlight in shaded zones.
• Breathable fabric prevents water pooling and helps airflow under the sail.
• Well-constructed seams and stainless steel D-rings for secure mounting.

Cons

• Installation hardware is sold separately, so buyers must budget for proper cables and fittings.
• Not designed as a fully waterproof shelter for heavy, prolonged rain exposure.

Specifications

Shape	Right triangle
Dimensions	12' x 12' x 17'
Fabric weight	190 GSM
Material	100% virgin HDPE, UV stabilized
UV protection	Blocks 95% of UV
Hardware	Stainless steel D-rings on each corner
Warranty	3 year limited warranty

Our Verdict

The ColourTree right triangle shade sail is a solid choice for anyone who needs dependable, long-lasting sun protection with strong UV blockage and low maintenance. With heavy-duty 190 GSM virgin HDPE and reinforced construction, it offers good value for patios, pools, and carports, provided you plan to purchase appropriate mounting hardware separately.

Frequently Asked Questions

Does this sail block most UV?
The fabric blocks approximately 95% of harmful UV and reduces heat under the sail.

Is the material waterproof?
The woven fabric is breathable and allows water to pass through, so it is not fully waterproof but prevents pooling.

Are mounting fittings included?
No, installation hardware kits and cables are sold separately and are required for proper installation.