Custom Size 13 ft x 20 ft x 23.9 ft Waterproof Triangle Shade Sail

In this review of the 13 ft x 20 ft x 23.9 ft waterproof triangle shade sail, the bottom line is simple: it is a practical, heavy-duty canopy for homeowners and small businesses who need reliable sun and rain protection without a permanent structure. The reviewer found its single biggest selling point to be the combination of a PU waterproof coating and strong edge reinforcement, which delivers consistent shade and weather resistance. For those seeking an economical, removable cover that lowers temperature and blocks most UV, this sail is worth considering.

Key Features

• Waterproof material: The polyester fabric with PU coating keeps rain and wind from passing through, protecting outdoor areas during light to moderate showers.
• High UV blockage: The sail blocks up to 90% of harmful UV rays, offering reliable sun protection for patios, carports, and yards.
• Temperature reduction: Placing the sail over seating or vehicles can lower the perceived temperature by up to 15 degrees beneath the shade.
• Reinforced edges: Dual-layer white webbing under the fabric and curved edges improve strength and resist tearing at stress points.
• Stainless steel corners: D rings on each corner are attached to the reinforced webbing to provide secure mounting points for hardware or ropes.
• Limited warranty: The product includes a 3 year limited warranty for added confidence in durability.

Who It's For

This shade sail is best for homeowners with patios, carports, or gardens who want a removable, weather-resistant canopy that is easy to install and looks neat when tensioned. It also suits small commercial spaces such as outdoor dining areas that need economical UV protection without building permanent structures.

It may be less suitable for those who require extra-large coverage from a single panel or who face extreme, sustained storms; customers should measure carefully since some buyers noted mixed impressions about exact size. Anyone needing a custom multi-panel shade system for large properties should look for modular or professional shade solutions.

Pros & Cons

Pros

• Durable waterproof PU-coated polyester provides dependable protection from light rain and wind.
• Blocks up to 90% of UV, noticeably improving comfort and lowering temperature under the sail.
• Well-finished edges and stainless steel D rings increase longevity and make mounting straightforward.
• Three year limited warranty gives reasonable assurance against manufacturing defects.

Cons

• Size perception varies; some customers found the dimensions smaller than expected so precise measuring and expectations are important.
• Not designed as a permanent structure for extreme weather; heavy storms or sustained high winds may require additional bracing or removal.

Specifications

Product type	Waterproof triangle shade sail
Size	13 ft x 20 ft x 23.9 ft
Material	Polyester with PU waterproof coating
UV protection	Blocks up to 90% of UV
Edges and corners	Dual-layer white webbing with stainless steel D rings
Temperature reduction	Lowers temperature up to 15 degrees under shade
Warranty	3 year limited warranty

Our Verdict

The waterproof triangle shade sail is a solid value for homeowners and small businesses needing removable sun and rain protection; its PU-coated fabric and reinforced corners deliver reliable performance and easy mounting, while the 3 year warranty adds peace of mind. Careful measurement is recommended to ensure the triangular footprint fits the intended space, but for moderate weather and strong UV blocking it is a practical, economical choice.

Frequently Asked Questions

Is this sail fully waterproof?
The polyester fabric has a PU waterproof coating that resists water and wind, suitable for light to moderate rain but not intended as a permanent roof in severe storms.

How is the sail mounted?
Corners feature stainless steel D rings attached to dual webbing so it can be secured with ropes, hooks, or hardware to nearby anchor points.

Will it reduce temperature under the shade?
The manufacturer states it can lower temperature by up to 15 degrees beneath the sail, and customer reports confirm noticeably improved comfort and heat resistance.