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

In this review of the ShadeMart 17' x 24' White Sun Shade Sail, the bottom line is simple: this rectangular HDPE shade sail is best for homeowners and small businesses who need a durable, breathable canopy that cuts UV and lowers surface temperatures without trapping water. The reviewer found the material and corner construction to be solid, the installation straightforward with the right hardware, and the shade performance reliable for patios, carports, and poolside areas. It is not waterproof, but it does what it promises: reduce sunlight and heat while allowing air and water to pass through.

Key Features

• Woven HDPE fabric: provides a heavy duty, UV resistant barrier that blocks up to 95% of harmful rays while remaining breathable for airflow.
• Stainless steel D rings: reinforced corner rings attached to heavy duty white webbing give secure anchor points for standard installation hardware.
• Water and air permeable: the fabric allows rainwater and breeze to pass through, preventing ponding and keeping the covered area well ventilated.
• Temperature reduction: by blocking sunlight the sail can lower surface temperatures on patios and carports, improving outdoor comfort.
• Custom sizing available: ShadeMart offers custom sizes with a 3 to 7 business day build time, helping match unusual venues when measured accurately.
• Decorative rectangle shape: the clean rectangular styling integrates with many outdoor designs while providing flexible mounting to poles, trees, walls, or roofs.

Who It's For

This shade sail suits homeowners, renters with permission to attach anchors, and small businesses that need an affordable, heavy duty canopy for patios, carports, pergolas, pool areas, and yards. It is a good option for anyone who prioritizes UV protection and airflow over full waterproofing.

Those who need a fully waterproof cover, or who cannot provide secure anchor points for the stainless steel D rings, should look elsewhere. Also, buyers who require exact factory-cut dimensions should measure carefully and expect small variations due to manual measurements.

Pros & Cons

Pros

• Strong build quality with reinforced corner loops and stainless steel D rings that hold up under tension.
• Effective shade and temperature reduction while remaining breathable and preventing water buildup.
• Easy to install with the proper hardware and flexible mounting options to poles, trees, walls, or roofs.
• Custom sizes available to fit nonstandard spaces when measured accurately.

Cons

• Not waterproof, so it will not keep an area dry in heavy rain.
• Size and color can vary slightly due to manual cutting and dyeing, so exact expectations may not always match the shipped size or shade.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	17' x 24'
Material	Woven HDPE (High Density Polyethylene)
Corner Hardware	Stainless steel D rings with heavy duty white webbing
Functionality	Water and air permeable, UV resistant (blocks up to 95% UV)
Custom Options	Custom sizes available (3 to 7 business days)

Our Verdict

The ShadeMart 17' x 24' White Sun Shade Sail is a practical, value-oriented choice for shade seekers who want strong UV protection, good airflow, and straightforward installation. It is especially good for patios, carports, and pool areas where waterproofing is not required; buyers should measure carefully and expect minor variation in size and color.

Frequently Asked Questions

Is this shade sail waterproof?
Answer. No, the sail is not waterproof; it is water permeable so rain will pass through rather than pond on the fabric.

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

How long does a custom size take to make?
Answer. Custom sizes take about 3 to 7 business days to manufacture before shipping.