ShadeMart 17 ft x 17 ft Red Sun Shade Sail UPF50 Square - Cool Outdoor

In this review of the ShadeMart 17' x 17' Red Sun Shade Sail the bottom line is simple: it is a practical, heavy duty fabric canopy for homeowners and small-business users who want broad UV protection and airflow without trapping heat. The reviewer found the woven HDPE material and stainless steel D rings give a durable, serviceable feel, and the sail's UPF50-level shading noticeably lowers surface temperatures. This is not a waterproof tarp but it excels where breathability, sun protection and decorative outdoor coverage are the priorities.

Key Features

• Woven HDPE fabric: provides strong, fade-resistant coverage while allowing air to pass through to reduce heat buildup under the sail.
• Stainless steel D rings: attached to heavy duty white webbing for reliable anchor points that resist corrosion in outdoor use.
• Water permeable design: allows rain to pass through rather than pooling, lowering the risk of stress on mounting points.
• UPF50 sun protection: blocks up to 95% of harmful UV rays to help keep patios, carports and pools cooler and safer.
• Custom size options: a range of sizes is available so buyers can choose a sail close to their needed coverage area when they measure accurately.
• Decorative rectangle styling: works as both functional shade and a visual upgrade for yards, pergolas and outdoor seating areas.

Who It's For

The ShadeMart 17' x 17' sail suits homeowners, renters and small venues that need broad, breathable shade over patios, pools, carports or seating areas and want a durable fabric that reduces temperature and UV exposure. Installers who prefer a nonwaterproof, vented canopy to avoid pooling and who can attach the sail to poles, walls, trees or roofs will appreciate the material and hardware design.

It is not ideal for users needing a fully waterproof shelter or a precision-cut geometric canopy; customers who require complete rain protection or exact factory-cut rectangles for architectural installs should consider a waterproof cover or rigid roofing alternative.

Pros & Cons

Pros

• High-density woven material that resists fading and provides strong UV protection.
• Stainless steel corner D rings and heavy webbing deliver durable anchor points for long-term outdoor use.
• Breathable, water permeable fabric prevents pooling and reduces heat buildup beneath the sail.
• Easy to install with common hardware kits and adaptable to many mounting points like poles and trees.

Cons

• Not waterproof, so it will not provide full rain protection for people or belongings underneath.
• Size and shape may vary slightly due to manual measurements, so precision-fit installations may see minor discrepancies.

Specifications

Brand	ShadeMart
Shape	Rectangle (square 17' x 17')
Material	Woven HDPE (High Density Polyethylene)
UV Protection	Blocks up to 95% of harmful UV rays (UPF50)
Hardware	Stainless steel D rings attached to heavy duty white webbing
Weather Performance	Water permeable and breathable (not waterproof)
Custom Options	Custom sizes available; measure venue before purchasing

Our Verdict

The ShadeMart 17' x 17' Red Sun Shade Sail is a solid choice for anyone seeking a durable, breathable shade solution that lowers temperatures and offers strong UV protection at a reasonable value. It performs best where airflow and sun blocking matter more than full rainproofing, and its stainless steel hardware and HDPE fabric make it a dependable outdoor canopy for patios, pools and carports.

Frequently Asked Questions

Is this shade sail waterproof?
No, the sail is water permeable and breathable, so it will allow water to pass through rather than act as a waterproof cover.

Can I customize the size?
Yes, custom sized shade sails are available, but measure your venue carefully because manual measurements can cause slight variations.

How much sun does it block?
The fabric is rated to block up to about 95% of harmful UV rays and has UPF50-level sun protection to lower temperatures underneath.