ShadeMart 13ft x 18ft Turquoise Sun Shade Sail UPF50 Rectangle

In this review of the ShadeMart 13' x 18' Turquoise Sun Shade Sail, the bottom line is simple: this rectangle canopy is for homeowners and outdoor hosts who want strong sun protection and cooler outdoor spaces without a solid roof. The reviewer found the sail's woven HDPE fabric and stainless steel corner D rings deliver a durable, weather-tolerant shade solution that blocks most UV while remaining breathable. Its ability to lower perceived temperature and survive harsh weather makes it a practical choice for patios, carports, poolside and pergola coverage.

Key Features

• Woven HDPE fabric: Provides a dense, UV-resistant weave that blocks up to 95% of harmful rays while staying breathable so heat does not trap underneath.
• Stainless steel D rings: Heavy duty corner D rings attached to strong white webbing give secure anchoring points for installation to poles or walls.
• Water permeable design: The sail sheds rain through the fabric rather than pooling, which reduces wind load and prevents sagging after storms.
• Temperature reduction: The canopy meaningfully lowers ambient temperature in shaded areas, making patios and carports noticeably cooler on sunny days.
• Custom size options: Available in a range of sizes and customizable lengths so users can match the sail to irregular venues and installation layouts.
• Decorative styling: The rectangle shape and vibrant turquoise color work as a functional sun block and a visual upgrade for outdoor living spaces.

Who It's For

The ShadeMart 13' x 18' sail is ideal for homeowners, renters with permission to anchor hardware, and small business owners needing a lightweight, semi-permanent shade solution for patios, pool areas, carports or outdoor dining. Its UPF50-level protection and durability appeal to anyone wanting sun protection without enclosing a space.

People who need a fully waterproof shelter, an exact pre-cut commercial rectangle without any measurement tolerance, or who cannot install anchor points should look elsewhere. Also those who require a rigid structure for heavy snow loads should choose a framed canopy rather than a breathable fabric sail.

Pros & Cons

Pros

• High UV protection from the woven HDPE fabric keeps shaded areas significantly cooler.
• Durable construction with stainless steel D rings and heavy webbing stands up to repeated outdoor use.
• Breathable, water permeable fabric prevents water pooling and reduces wind stress on the sail.
• Custom size options allow fitting to many patios, pergolas and irregular sites.

Cons

• Not fully waterproof, so it will not keep an area dry in sustained rain.
• Some customers report size or shape variation due to manual measurements, so careful measuring is required before ordering.

Specifications

Product type	Rectangle shade sail
Size	13' x 18'
Material	Woven HDPE (High Density Polyethylene)
Corner hardware	Stainless steel D rings with heavy duty white webbing
Water resistance	Water permeable (not waterproof)
UV protection	Blocks up to 95% of harmful UV rays (UPF50 level)
Shape	Rectangle

Our Verdict

The ShadeMart 13' x 18' Turquoise Sun Shade Sail is a solid value for anyone needing effective sun protection and improved outdoor comfort without a permanent structure. Its durable HDPE fabric, secure stainless steel D rings, and breathable, water-permeable design make it a practical and attractive solution for patios, carports and pool areas, provided buyers understand it is not a waterproof shelter and should measure carefully before ordering.

Frequently Asked Questions

Is this sail waterproof?
The fabric is water permeable and breathable, so it will not be fully waterproof and is designed to allow water to pass through.

Can it block UV rays?
Yes, the woven HDPE fabric blocks up to 95% of harmful UV rays, providing UPF50-level protection.

Will it fit custom spaces?
ShadeMart offers custom sizes; measure your venue accurately since manual measurements can cause small variations.