Custom Size 6 ft x 11 ft x 12.5 ft Waterproof Blue Triangle Sun Shade

In this review we look at the Custom Size 6 ft x 11 ft x 12.5 ft Waterproof Blue Triangle Sun Shade Sail and why it works well for homeowners and small businesses wanting a reliable, quick shade solution. The bottom line: this sail offers solid sun and light rain protection in a tidy, reinforced package, and its single biggest selling point is the waterproof polyester with PU coating that keeps water and wind from passing through while still lowering temperatures underneath. It is a practical, economical canopy alternative for patios, carports, and yards.

Key Features

• Waterproof PU coating: The polyester fabric with PU waterproof coating prevents water and wind from passing through, so brief showers do not soak the area beneath the sail.
• High UV blockage: The sail blocks up to 90% of harmful UV, which reduces sun exposure for people and furniture under the shade.
• Temperature reduction: When installed properly the sail can lower the temperature underneath by up to 15 degrees, improving comfort on hot days.
• Reinforced edges and corners: Dual-layer white webbing and curved edge finishing add strength and resist tearing at attachment points.
• Stainless steel D rings: Corners come with stainless steel D rings attached to the dual webbing, making tie-off and anchoring straightforward and durable.
• Three year limited warranty: The product includes a 3 year limited warranty for added peace of mind over normal wear and tear.

Who It's For

The sail is best for homeowners, renters, and small businesses that need a quick, removable shade for patios, carports, balconies or garden seating areas. It is also useful for those who want a more weather resistant option than a basic fabric canopy but without installing a permanent structure, since it can be taken down or set up in about five minutes.

It is less well suited for very large commercial canopies or permanent installations that require custom engineering or continuous heavy rain protection. Buyers who need precise dimensional tolerances should also verify measurements carefully, as some customers have noted size expectations vary.

Pros & Cons

Pros

• Durable materials and reinforced edges provide good longevity in sun and wind.
• Effective UV and heat reduction makes outdoor areas noticeably cooler and more comfortable.
• Easy to install and remove, with stainless steel D rings that simplify anchoring.
• Comes with a 3 year limited warranty for added confidence.

Cons

• Some buyers may find the sail smaller than expected for certain applications, so double check measurements before ordering.
• While waterproof for light rain, it is not a substitute for a fully engineered permanent roofing system in heavy, prolonged storms.

Specifications

Product type	Triangle sun shade sail
Size	6 ft x 11 ft x 12.5 ft
Material	Polyester with PU waterproof coating
UV protection	Blocks up to 90% of UV (UPF50+)
Edges & corners	Dual-layer white webbing with stainless steel D rings
Temperature reduction	Up to 15 degrees cooler under shade
Warranty	3 year limited warranty

Our Verdict

The Custom Size 6 ft x 11 ft x 12.5 ft waterproof triangle sail is a practical, cost effective choice for anyone who wants fast, durable sun protection for a patio, carport or yard. Its waterproof PU coating, reinforced corners and substantial UV blockage deliver reliable performance for seasonal use, and the 3 year limited warranty adds value. Verify size needs before purchase, but for most residential shade projects this sail represents good value and straightforward installation.

Frequently Asked Questions

Is the sail fully waterproof?
Yes, the polyester fabric has a PU waterproof coating that prevents water and wind from passing through, suitable for light to moderate rain.

How hard is it to install?
Installation is simple for two people; the corners have stainless steel D rings and the sail can be taken down or put up in about five minutes once anchor points are ready.

Will it block the sun effectively?
Yes, the sail blocks up to 90% of harmful UV and can lower the temperature underneath by up to 15 degrees when properly sited and tensioned.