21ft x 21ft x 29.7ft Blue Right Triangle Shade Sail - 95% UV Block

In this review the 21ft x 21ft x 29.7ft Blue Right Triangle Shade Sail is judged as a heavy duty option for homeowners and light commercial spaces that need large, reliable sun coverage. The reviewer found the single biggest reason to buy is the use of 190 GSM 100% virgin HDPE fabric with UV stabilized compound, which delivers long-term resistance to sun damage while blocking about 95% of harmful UV; this makes it particularly useful for patios, pools and carports where durable shade and breathability matter.

Key Features

• 190 GSM virgin HDPE: Thick 100% non-recycled material resists tearing and stretches less than recycled alternatives, giving noticeably longer life in direct sun.
• UV stabilized compound: Laboratory-tested for extended UV exposure so the fabric resists fading, drying and deterioration over time.
• 95% UV blockage: Designed to significantly reduce temperature and direct sunlight in shaded areas, improving comfort under the sail.
• Breathable woven fabric: Allows water and air to pass through to prevent pooling after rain while maintaining shade performance.
• Reinforced edges and stainless D-rings: Double layered stitched seams and heavy stitching at corners keep the sail from fraying and make attachment points durable.
• 3 year limited warranty: Warranty covers normal wear and weather conditions, providing added confidence in durability.

Who It's For

This shade sail is best for homeowners, pool owners and small commercial settings that need large triangular coverage and value long-lasting material over bargain options. It is particularly well suited for sunny climates where UV degradation is a concern and where breathable shade is preferred to solid canopies.

Those who should look elsewhere include buyers who need a waterproof solid canopy (this sail is breathable and allows water through) or shoppers who require pre-attached installation hardware; hardware kits and cables are sold separately and must be chosen to suit local mounting points.

Pros & Cons

Pros

• High quality 190 GSM virgin HDPE offers good durability and resistance to sun damage.
• Blocks about 95% of harmful UV while remaining breathable so no water pooling occurs.
• Well-constructed edges and stainless steel D-rings make mounting secure and reduce fraying.

Cons

• Installation hardware is not included, so buyers must purchase compatible cables and fittings separately.
• Not fully waterproof; rain passes through the woven fabric by design.

Specifications

Our Verdict

The 21ft x 21ft x 29.7ft Blue Right Triangle Shade Sail is a strong choice for anyone needing large, durable shade that performs well under intense sun. With 190 GSM virgin HDPE, reinforced edges and 95% UV blockage, it represents good value for outdoor shading projects, provided buyers plan to purchase appropriate installation hardware separately.

Frequently Asked Questions

Is the fabric waterproof?
No. The woven HDPE fabric is breathable and allows water to pass through to avoid pooling; it is water resistant but not waterproof.

Are mounting accessories included?
Only stainless steel D-rings are attached to the sail; cables, turnbuckles and wall fittings are sold separately and should be chosen for secure installation.

How long will the sail last in sun?
The fabric uses UV stabilized compound and was laboratory tested for extended UV exposure; it carries a 3 year limited warranty under normal weather and usage.