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

In this review the 13' x 16' x 20.6' black right triangle sun shade sail is assessed for homeowners and light commercial users who need reliable sun protection with a clean, low-profile look. The bottom line: this shade sail delivers strong UV blockage and solid build quality for patios, pools and carports, and its corner-to-corner sizing plus curved edges prevent sagging for a neat appearance. The review focuses on real-world performance, ease of installation, and whether the included hardware and fabric quality justify choosing this model.

Key Features

• Corner-to-corner measurement: The sail is sized from corner to corner for predictable coverage and easier planning when mapping to posts or trees.
• Curved edge design: Precisely calculated radians give slightly curved edges to prevent sagging in the middle and maintain a taut, attractive canopy.
• Virgin polyethylene fabric: The lightweight yet strong material provides durability while keeping the sail easy to handle during installation.
• High UV and visibility blockage: The fabric blocks up to 95% of UV and about 90% of visibility, offering effective sun protection and reduced glare.
• Seasonal versatility: The sail offers shading and cooling in summer, some rain resistance, and anti-frost benefit overnight, making it useful year-round in mild climates.
• Customization and warranty: Available for custom orders and backed by a 3-Year Limited Warranty for added peace of mind.

Who It's For

This shade sail is a good fit for homeowners with a backyard, pool area, patio, balcony, driveway or carport who want effective sun protection and a tidy finished look. It is particularly useful for people who prefer a fabric solution that is lightweight but resists UV degradation and keeps areas cooler during hot months.

It may be less suitable for buyers who need a fully waterproof awning or those expecting heavy, prolonged rain or snow resistance; in those cases a solid roof or specialized waterproof canopy would be a better choice. Also, buyers wanting a ready-made kit with universally praised hardware options should note that hardware feedback has been mixed.

Pros & Cons

Pros

• Provides strong sun protection, blocking up to 95% of UV for cooler, shaded spaces.
• Curved edges and corner-to-corner sizing help maintain a taut, attractive installation without middle sagging.
• Lightweight virgin polyethylene fabric balances tensile strength and easy handling during setup.
• Available customization and a 3-Year Limited Warranty add flexibility and reassurance.

Cons

• Not fully waterproof; only slightly rainproof in the rainy season so heavy rain will pass through or pool near low spots.
• Included hardware receives mixed reviews, so some buyers may prefer to upgrade fasteners and mounts for long-term use.

Specifications

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

Our Verdict

The 13' x 16' x 20.6' black right triangle shade sail is a practical, cost-effective solution for homeowners who need strong sun protection and a tidy, tensioned installation. Its UV performance, curved-edge design and lightweight virgin polyethylene fabric make it good value for patios, pools and carports, though buyers seeking full waterproofing or premium hardware may want to plan upgrades.

Frequently Asked Questions

Can this sail handle heavy rain?
It is slightly rainproof but not fully waterproof; heavy or prolonged rain may pass through and pooling can occur if not mounted with proper slope.

Is the measurement taken along the edges or diagonally?
Measurements are taken from corner to corner, which helps with planning mounting points and expected coverage.

Does the product come with a warranty?
Yes, the sail includes a 3-Year Limited Warranty and the seller offers customization options.