17 ft x 22 ft x 27.8 ft Right Triangle Sun Shade Sail - Durable UV

In this review of the 17' x 22' x 27.8' right triangle sun shade sail, the bottom line is simple: it is for homeowners and outdoor enthusiasts who need large, reliable sun protection that balances shade, airflow and durability. Our review finds the sail delivers strong UV blocking and stable tensioning thanks to a curved edge design, making it a practical choice for patios, pools, driveways and carports where cooling and long term performance matter.

Key Features

• Corner-to-corner measurement: The listed size is measured from corner to corner so buyers can plan mounting points accurately for proper coverage.
• Curved edge design: Edges are made slightly curved with a calculated radian to prevent sagging and keep the sail taut for better appearance and performance.
• High UV blockage: Made of virgin polyethylene fabric that blocks up to 95% of UV rays, helping reduce heat and sun exposure in outdoor areas.
• Breathable and light: The fabric provides cooling ventilation and 90% visibility blockage while remaining lightweight for easier handling and installation.
• All-weather utility: Designed to provide summer shading and cooling, some frost protection at night and slight rain resistance during light showers.
• Custom orders and warranty: Available for custom sizing and supported by a 3-Year Limited Warranty for added peace of mind.

Who It's For

This shade sail is ideal for homeowners with yards, patios, swimming pools or carports who want a large, durable cover that reduces heat and sun exposure while still allowing airflow. It is well suited to installers who can plan anchor points around trees, posts or existing structures and who appreciate the reduced sag from the curved edge pattern.

Those who need fully waterproof awnings, rigid canopies, or motorized retractable systems should look elsewhere, since this product is slightly rainproof only and functions primarily as breathable sun protection rather than a sealed shelter.

Pros & Cons

Pros

• Excellent sun protection with up to 95% UV blockage for safer outdoor use.
• Curved edges and corner-to-corner sizing reduce middle sag and improve long-term appearance.
• Lightweight virgin polyethylene fabric offers strength, ventilation and easy handling.
• Custom sizing available and a 3-Year Limited Warranty add flexibility and confidence.

Cons

• Hardware reviews are mixed, so buyers should check included fittings and may need to purchase stronger anchors for some installs.
• Only slightly rainproof, so it will not replace a fully waterproof canopy in heavy storms.

Specifications

Our Verdict

This right triangle sun shade sail is a practical, cost-effective option for anyone who needs effective UV protection and cooling airflow for outdoor spaces. Its curved edge construction and strong polyethylene fabric make it a durable choice for patios and pools, and the option for custom orders plus a 3-Year Limited Warranty gives it good value for homeowners who want reliable seasonal shade rather than a fully waterproof solution.

Frequently Asked Questions

Does the size refer to edge length or corner-to-corner?
The measurement is taken from corner to corner, which helps with planning anchor point spacing.

Is the fabric waterproof?
The fabric is slightly rainproof for light showers but is intended primarily for shade and ventilation rather than full waterproofing.

Are mounting fittings included?
Some hardware is included, but customer feedback is mixed so it is wise to verify the fittings and consider stronger anchors if your installation needs them.