13 ft x 16 ft x 20.6 ft Right Triangle Sun Shade Sail - Durable UV

In this review the 13' x 16' x 20.6' right triangle sun shade sail is evaluated for homeowners and small business owners who need durable, wide coverage and reliable UV protection. The bottom line: this shade sail stands out for its high UV blockage and engineered curved edges that prevent sagging, making it a practical choice for patios, pools, driveways and carports. The review focuses on real performance, installation experience and the material's longevity so readers can decide if it fits their outdoor shading needs.

Key Features

• Measurement method: Corners are measured corner-to-corner so you get predictable coverage for triangular layouts and planning.
• Curved edges: Edges are slightly curved with a calculated radian to reduce center sagging and keep a taut, attractive canopy over time.
• Material build: Made of virgin polyethylene for strong tensile strength and light weight, which helps with handling and long-term durability.
• UV and visibility: Provides up to 95% UV blockage and about 90% visibility blockage, offering effective sun protection and cooling benefits.
• Seasonal use: Delivers shading and ventilation in summer, anti-frost at night, and modest rain resistance during light showers.
• Warranty and customization: Comes with a 3-Year Limited Warranty and the vendor accepts custom orders for non-standard sizes.

Who It's For

This shade sail is best for homeowners with patios, pools or carports who want wide triangular coverage without the mid-sag common to cheaper sails. It is also suited to renters or gardeners who need a lightweight, ventilating canopy that reduces heat and protects outdoor furniture.

Customers who need permanent waterproof roofing or full rainproofing should look elsewhere, as the product is only slightly rainproof in heavy weather. Also, anyone requiring a rigid structure rather than a flexible sail should consider a pergola or hard awning instead.

Pros & Cons

Pros

• High UV blockage and strong tensile fabric deliver real cooling and sun protection for outdoor spaces.
• Curved, pre-calculated edges maintain tension and reduce the need for frequent re-tensioning.
• Lightweight virgin polyethylene makes installation and handling easier for two people.
• Custom orders and a 3-Year Limited Warranty add flexibility and peace of mind.

Cons

• Hardware inclusion received mixed feedback, so buyers may want to verify or upgrade mounting hardware for secure installs.
• Only slightly rainproof in heavy weather, so it is not a substitute for full waterproof structures.

Specifications

Shape	Right triangle
Measured	Corner to corner
Size	13' x 16' x 20.6'
Material	Virgin polyethylene
UV blockage	Up to 95%
Visibility blockage	About 90%
Warranty	3-Year Limited Warranty

Our Verdict

For those seeking a durable, high-coverage shade solution the 13' x 16' x 20.6' right triangle sail is a smart value choice because of its strong polyethylene fabric, engineered curved edges that prevent sagging and excellent UV blockage. It is ideal for patios, pools and carports where ventilation and sun protection matter, though buyers should confirm mounting hardware for the most secure install.

Frequently Asked Questions

Will this sail block a significant amount of sunlight?
Yes. The fabric provides up to 95% UV blockage and about 90% visibility blockage, so it substantially reduces direct sun and heat.

Is it waterproof?
It is slightly rainproof for light showers but not fully waterproof; heavy rain and prolonged exposure require a more rigid roofing solution.

Does the package include installation hardware?
Hardware inclusion received mixed feedback from customers, so check the product details or plan to purchase extra or heavier-duty mounting hardware if needed.