ShadeMart 17ft x 24ft White Sun Shade Sail UPF50 Rectangle - Cool

In this review the ShadeMart 17' x 24' White Sun Shade Sail is evaluated for homeowners and outdoor spaces that need durable, breathable sun protection. The bottom line: this rectangle UPF50 shade sail is best for patios, carports, pergolas and boats where reducing heat and blocking harsh sunlight matter most. Its woven HDPE fabric and stainless steel D rings make installation straightforward and long lasting, while the water permeable design keeps rainfall from pooling and promotes airflow for cooler, more comfortable outdoor areas.

Key Features

• Woven HDPE fabric: provides a strong, tear-resistant canopy that blocks up to 95% of harmful UV rays while remaining breathable.
• Stainless steel D rings: are attached to heavy duty white webbing so anchor points stay secure under tension and resist corrosion.
• Water permeable design: allows rain and air to pass through the fabric so water does not pool and ventilation reduces trapped heat.
• Custom size options: available sizes let you match the sail to irregular venues, with the recommendation to measure the installation area accurately.
• Rectangle styling: fits common installations like carports and patios and integrates as a decorative outdoor element that complements existing design.

Who It's For

The ShadeMart rectangle shade sail is ideal for homeowners, boat owners, and anyone with a fixed outdoor area such as a patio, pergola, or carport who needs reliable UV protection and airflow. It is a good fit where a nonwaterproof, breathable canopy is preferred instead of a solid waterproof cover, especially in climates where drainage and wind are considerations.

Those seeking a fully waterproof shelter or who need an exact factory-cut dimension without any manual measurement variance should look elsewhere; this product notes manual measurement variation and is designed primarily as a breathable sun shield rather than a rainproof roof.

Pros & Cons

Pros

• Durable HDPE fabric that blocks a high percentage of UV while staying breathable.
• Stainless steel D rings and heavy duty webbing make anchor points reliable and long lasting.
• Permeable fabric prevents water pooling and improves airflow to lower temperature under the sail.
• Easy to install in many settings when used with proper hardware kits.

Cons

• Not fully waterproof, so it will not provide complete rain protection in heavy storms.
• Slight variation in dimensions can occur due to manual measurement, so careful measuring is required before ordering.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	17 ft x 24 ft
Material	Woven HDPE (High Density Polyethylene)
Corner attachments	Stainless steel D rings on heavy duty white webbing
Functionality	Water permeable, breathable, UPF50 UV protection
Applications	Patio, carport, pergola, pool, yard, boat

Our Verdict

The ShadeMart 17' x 24' rectangle shade sail is a practical, value-minded choice for anyone who needs strong UV protection with good airflow and durable hardware. It is best for patios, carports, and boats where lowering temperature and preventing water pooling are priorities, and it represents good value when you want a robust, long-lasting sun shade rather than a waterproof shelter.

Frequently Asked Questions

Is this shade sail waterproof?
This style is not waterproof; it is water permeable so rain passes through rather than pooling.

How much UV protection does it provide?
The fabric blocks up to 95% of harmful UV rays and carries a UPF50 level of sun protection.

Can it be mounted to trees or poles?
Yes; with the proper hardware kits the sail can be attached to poles, trees, walls, roofs and other structures.