11 ft x 16 ft x 19.4 ft Right Triangle Sun Shade Sail - Durable UV

In this review the 11' x 16' x 19.4' right triangle sun shade sail is judged as a practical, no-nonsense canopy for homeowners and renters who need broad, reliable sun protection. Measured corner to corner and built from virgin polyethylene, this shade sail's single biggest selling point is its combination of high UV blockage and structural shaping that resists mid-span sagging, which delivers a neater look and better long-term performance for patios, pools, carports and gardens.

Key Features

• Corner-to-corner measurement: Sizing uses true corner distances so buyers can plan mounting points and coverage more accurately.
• Curved edges: Edges are cut with a precisely calculated radian to prevent sagging in the middle and maintain a taut, attractive canopy.
• Virgin polyethylene fabric: The material offers strong tensile strength while remaining lightweight for easier handling and installation.
• High UV and visibility blockage: Blocks up to 95% of UV and reduces visibility by about 90%, helping keep covered areas cooler and protected from sun exposure.
• Seasonal versatility: Provides shading and ventilation in summer, some frost protection at night, and slight rain resistance during the wet season.
• Custom orders and warranty: Available to customize for unusual layouts and backed by a 3-Year Limited Warranty for added confidence.

Who It's For

This shade sail is well suited to homeowners who need a durable, sizable shade for a backyard, pool area, patio, carport or driveway and who prefer a tidy, professional look thanks to the curved-edge design. It is also a good match for renters who want a removable, lightweight solution that still offers strong sun protection.

Those who need absolute waterproofing, an integrated pole system, or a specific industrial-grade fabric should look elsewhere, since this product is only slightly rainproof and is optimized for sun protection and ventilation rather than heavy downpours or structural supports.

Pros & Cons

Pros

• Excellent UV protection that keeps shaded spaces noticeably cooler and helps protect skin and furniture from sun damage.
• Shaped edges reduce sagging so the sail looks taught and performs better over time.
• Lightweight virgin polyethylene fabric balances strength and ease of handling for DIY installs.
• Custom order option and a 3-Year Limited Warranty provide flexibility and peace of mind.

Cons

• Hardware included receives mixed feedback, so buyers may want to upgrade fixings for long-term or exposed installations.
• Only slightly rainproof, so it is not a full replacement for a waterproof awning in heavy rain.

Specifications

Shape	Right triangle
Measured	Corner-to-corner
Size	11' x 16' x 19.4'
Material	Virgin polyethylene
UV blockage	Up to 95%
Visibility reduction	About 90%
Warranty	3-Year Limited Warranty

Our Verdict

The 11' x 16' x 19.4' right triangle sun shade sail is a strong value for people who prioritize sun protection, a neat installed appearance and easy handling. Its curved-edge design and high UV blockage make it a reliable choice for patios, pools and carports, while customization and a 3-Year Limited Warranty add flexibility for nonstandard installs.

Frequently Asked Questions

Is this sail waterproof?
The fabric is slightly rainproof but not fully waterproof; it is designed primarily for shading and ventilation rather than heavy rain protection.

Does it include mounting hardware?
Some hardware is included, but reviews note mixed experiences, so using upgraded fixings is recommended for long-term or exposed installations.

Can I order a different size or shape?
Yes, the product is available for custom orders to fit unique layouts or nonstandard mounting points.