ShadeMart 8 ft x 17 ft Black Rectangle Sun Shade Sail - UPF50

In this review of the ShadeMart 8 ft x 17 ft Black Rectangle Sun Shade Sail, the bottom line is straightforward: this heavy duty woven HDPE canopy is for homeowners and small businesses who need durable, breathable UV protection for patios, carports and pool areas. The single biggest reason to consider it is the combination of UPF50 sun blocking and water permeability that lowers ambient temperature while avoiding puddling. Installation is straightforward with proper hardware, and the sail's robust stainless steel D rings and webbing give a reassuring sense of longevity.

Key Features

• Material: Woven HDPE fabric provides a strong, fade-resistant surface that resists tearing under normal outdoor use.
• UV protection: Blocks up to 95% of harmful UV rays with a UPF50 rating, reducing solar heat by about 10 to 15 degrees beneath the canopy.
• Breathable design: Water permeable construction allows rain and air to pass through, preventing water buildup and improving airflow on hot days.
• Hardware ready: Corner stainless steel D rings attached to heavy duty white webbing make the sail easy to secure to poles, trees, or building anchors.
• Custom sizing: Available in a range of custom dimensions so you can order a sail that fits patios, carports, pergolas or poolside areas when measured carefully.
• Styling: Rectangle shape in multiple colors offers a simple, modern look that doubles as a decorative element for outdoor spaces.

Who It's For

This shade sail suits homeowners, renters with permanent anchors, and small businesses that need a cost-effective sun protection solution for patios, carports, pergolas and poolside areas. It is especially useful where airflow and rain dispersion matter, for example over seating areas or driveways where a waterproof cover would trap water.

Those who should look elsewhere include buyers who require a waterproof canopy or an exact industrial-grade rectangle with laser-accurate dimensions; manual measurement variance means the cloth may not match perfectly shaped or very tight installations without adjustment or additional tensioning hardware.

Pros & Cons

Pros

• High UPF50 protection that noticeably reduces heat beneath the sail.
• Durable woven HDPE fabric and stainless steel D rings for long-term outdoor use.
• Breathable, water permeable design prevents pooling and improves airflow.
• Custom size options and clean rectangle styling make it flexible for many spaces.

Cons

• Not waterproof, so it will not fully protect against heavy rain or provide a dry area underneath.
• Size and shape can vary slightly due to manual measurements, which may require adjustments during installation.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	8 ft x 17 ft
Material	Woven HDPE (High Density Polyethylene)
Hardware	Stainless steel D rings with heavy duty white webbing
Functionality	Water permeable, breathable, blocks up to 95% UV (UPF50)

Our Verdict

The ShadeMart 8 ft x 17 ft Rectangle Sun Shade Sail is a solid value for those who need reliable UV protection and airflow for patios, carports or pool areas. Its durable HDPE fabric, stainless steel D rings and custom sizing make it a practical choice for most outdoor shading needs, provided you do not require a waterproof canopy or exact industrial dimensions.

Frequently Asked Questions

Is this shade sail waterproof?
This style is not waterproof; it is water permeable so rain and air pass through the fabric.

How much UV protection does it offer?
The woven HDPE material blocks up to 95% of harmful UV rays and carries a UPF50 level of sun protection.

Can I mount it to trees or poles?
Yes, with the proper hardware kits the stainless steel D rings and webbing allow attachment to poles, trees, walls or roofs.