11 ft x 13 ft x 17 ft Red Right Triangle Sun Shade Sail - Durable UV

In this review of the 11' x 13' x 17' Red Right Triangle Sun Shade Sail from SHADESPEARE, the bottom line is straightforward: it is a practical shade solution for homeowners who need broad UV protection over patios, pools, or driveways without a permanent structure. The sail's corner-to-corner measurement and slightly curved edges are designed to stop mid-panel sagging, and customers consistently report that it delivers reliable shading and cooling. If you want a lightweight, durable fabric that blocks most sun while staying ventilated, this shade sail is worth considering.

Key Features

• Corner-to-corner sizing: Measurements are taken from corner to corner so buyers know the true span and how the triangular sail will cover an area.
• Curved edge design: Edges are cut with a calculated radian to prevent sagging for a neater installation and improved long-term performance.
• High UV blockage: The virgin polyethylene fabric blocks up to 95% of UV, offering strong protection for pools, patios, and vehicles beneath.
• Lightweight with tensile strength: The material is light enough for easier handling but engineered for strength so it holds up under tension.
• All-season utility: It provides shading and ventilation in summer, helps reduce nighttime frost, and offers slight rain resistance in light storms.
• Customizable and warranted: The product can be custom ordered and comes with a 3-Year Limited Warranty for added peace of mind.

Who It's For

This shade sail is best for homeowners and renters who need flexible, non-permanent sun protection over outdoor living spaces, pools, patios, or carports. Gardeners and families who want to reduce sun exposure and cooling costs will appreciate the high UV blockage and ventilated fabric that still lets air circulate.

It is not ideal for someone seeking a fully waterproof canopy or a rigid gazebo replacement, or for installations in areas with frequent heavy storms or snow loads; those buyers should consider solid-roofed structures or commercial-grade covers instead.

Pros & Cons

Pros

• Provides substantial UV protection while allowing airflow to keep spaces cooler.
• Curved edges and corner-to-corner sizing reduce sagging and improve long-term appearance.
• Lightweight virgin polyethylene offers a good balance of strength and ease of handling.
• Custom orders available and backed by a 3-Year Limited Warranty.

Cons

• Hardware included receives mixed feedback, so installers may want to upgrade fixings for heavier-duty anchors.
• Only slightly rainproof; not suitable as a full waterproof solution in heavy rain.

Specifications

Product shape	Right triangle
Size (corner to corner)	11' x 13' x 17'
Color	Red
Material	Virgin polyethylene
UV blockage	Up to 95%
Visibility blockage	About 90%
Warranty	3-Year Limited Warranty

Our Verdict

The 11' x 13' x 17' Red Right Triangle Sun Shade Sail is a solid value for anyone who wants effective sun protection without building permanent structures. Its anti-sag design, strong but lightweight fabric, and high UV blockage make it especially useful for pools, patios, and carports; buyers who need full waterproofing or heavy-weather anchors should plan to upgrade hardware or choose a different product.

Frequently Asked Questions

Will this sail stop most sun exposure?
Yes, the fabric blocks up to 95% of UV, so it significantly reduces direct sunlight and helps keep areas cooler.

Is the sail waterproof?
No, it is only slightly rainproof in light rain; it is designed primarily for shading and ventilation rather than full waterproofing.

Can I order a different size or color?
Yes, all products are available to be customized to different sizes or specifications.