13ft x 17ft x 21.4ft White Right Triangle Sun Shade Sail - Durable UV

In this review of the 13' x 17' x 21.4' white right triangle sun shade sail from SHADESPEARE the bottom line is clear: this is a practical, heavy-duty fabric sail for anyone who needs broad UV protection and a tidy installation for patios, pools, or driveways. The single biggest reason to buy is the combination of strong virgin polyethylene material and a shaped edge design that prevents sagging, delivering solid sun blockage and an attractive, taut appearance when installed properly.

Key Features

• Corner-to-corner measurement: The stated dimensions are taken from corner to corner so buyers know the true span they can expect when planning anchor points.
• Curved edge design: Edges are made slightly curved using a calculated radian to prevent sagging in the middle and maintain a neat, tensioned look.
• Durable fabric: Made from virgin polyethylene with strong tensile strength to resist tearing while remaining lightweight for easier handling.
• High UV blockage: Provides up to 95% UV blockage and 90% visibility reduction, offering meaningful sun protection and cooler shaded areas.
• Seasonal versatility: Offers shading and ventilation in summer, anti-frost benefits at night and light rain resistance during wet periods, suitable for multiple seasons.
• Custom options and warranty: Available to be customized and backed by a 3-Year Limited Warranty for added buyer confidence.

Who It's For

This shade sail is best for homeowners and renters who want a large, affordable shade solution for a poolside area, patio, garden seating, carport or driveway. It suits people who can install permanent or semi-permanent anchors and who want reliable UV protection without a bulky frame.

It may be less ideal for someone needing full waterproofing, a rigid freestanding structure, or very precise color-matching from store stock; customization is available but the product is primarily a fabric sail intended to be tensioned between posts, trees, or walls.

Pros & Cons

Pros

• High UV blockage and good thermal shading keep outdoor spaces noticeably cooler.
• Curved edge construction prevents mid-span sagging for a cleaner, longer-lasting install.
• Lightweight yet strong virgin polyethylene fabric balances durability with easier handling during setup.
• Available customization and a 3-Year Limited Warranty add value and flexibility.

Cons

• Hardware included receives mixed feedback so buyers may need to upgrade fasteners or fittings for heavy-duty anchor points.
• Only slightly rainproof rather than fully waterproof, so it will not replace a solid canopy in heavy storms.

Specifications

Product type	Right triangle shade sail
Size (corner to corner)	13' x 17' x 21.4'
Color	White
Material	Virgin polyethylene
UV blockage	Up to 95%
Visibility reduction	Up to 90%
Warranty	3-Year Limited Warranty

Our Verdict

This 13' x 17' x 21.4' white right triangle shade sail is a solid value for anyone needing reliable sun protection over a pool, patio, or parking area; its curved-edge design and strong polyethylene fabric deliver a tidy, long-lasting installation. Buyers who require full waterproofing or heavier hardware should plan to upgrade fittings, but for shade, ventilation and UV defense this sail is a practical, cost-effective choice.

Frequently Asked Questions

Is the measurement taken edge-to-edge or corner-to-corner?
The measurement is taken from corner to corner, which reflects the span between anchor points.

Will it block most of the sun and heat?
Yes, the fabric provides up to 95% UV blockage and noticeably reduces visibility and heat in shaded areas.

Does it come with hardware and a warranty?
Some hardware is included but reviews are mixed on that hardware; the product carries a 3-Year Limited Warranty and can be customized.