12ft x 17ft x 20.8ft Red Triangle Waterproof Sun Shade Sail - UPF50

Our review of this 12' x 17' x 20.8' red triangle shade sail finds it well suited for homeowners who want a robust, weather-resistant canopy without breaking the bank. The biggest reason to buy is its combination of waterproof PU-coated polyester and strong reinforced corners, which deliver reliable sun and light rain protection while cutting temperatures under the sail. This review focuses on performance in backyard and patio settings, ease of installation with a small tilt for drainage, and how the construction holds up over months of use.

Key Features

• Waterproof PU coating: The polyester fabric with PU waterproof treatment repels light rain and wind when the sail is installed with a slight tilt to avoid pooling.
• High UV blockage: The sail blocks up to 98% of UV rays and can reduce perceived temperature by as much as 15 degrees in shaded areas.
• Reinforced corners: Each corner has a stainless steel D-ring and extra reinforcement to resist tearing under tension.
• Sturdy edge construction: Dual-layered webbing and curved edges minimize sagging and fraying for longer-lasting shape and tension.
• Custom sizing available: The maker offers customized sizes and straightforward 30-day returns for tailored fit and peace of mind.

Who It's For

This shade sail is best for patio and garden owners who want strong sun protection and occasional rain resistance for seating areas, play spaces, or outdoor dining. It works well for DIY installers who can provide secure anchor points and install the recommended tilt for drainage.

It is less appropriate for locations with constant heavy rainfall or for people who expect the sail to remain perfectly taut without frequent adjustment; those seeking a permanent, all-weather roof system or who need included hardware should consider a full mounting kit or a different product.

Pros & Cons

Pros

• Effective sun protection with up to 98% UV blockage and noticeable cooling under the sail.
• Water-resistant PU-coated polyester sheds light rain when installed with proper angle.
• Durable construction with dual-layered webbing, curved edges, and stainless steel D-rings at corners.

Cons

• Hardware kit is not included, so buyers must purchase mounting hardware separately for best results.
• Color appearance has mixed feedback from customers, ranging from vivid red to tones that some describe differently.

Specifications

Our Verdict

This red triangle shade sail is a strong value for homeowners who need substantial sun protection and occasional rain resistance in a backyard or patio setting. Its reinforced construction and high UV blockage make it a practical choice, but buyers should budget for a separate hardware kit and be prepared to install it with a slope for proper drainage.

Frequently Asked Questions

Is the sail fully waterproof?
It is water resistant due to the PU coating and sheds light rain when installed with a slight tilt, but heavy standing water must be avoided by angling the sail.

Does the product include mounting hardware?
No, the hardware kit is not included; the manufacturer recommends pairing the sail with their hardware kit for optimal performance.

Can I get a custom size?
Yes, custom-size orders are accommodated and come with the same 30-day return policy and a 3-year limited warranty.