ShadeMart 10 ft x 21 ft Turquoise Rectangle Sun Shade Sail

Our review of the ShadeMart 10 ft x 21 ft Turquoise Sun Shade Sail finds it best suited for homeowners and renters who want an affordable, heavy duty shade solution for patios, carports and poolside areas. The single biggest reason to buy is the combination of tough woven HDPE fabric and stainless steel corner D rings that delivers strong, long-lasting shade while remaining breathable and water permeable. Installation is straightforward with common hardware, and the sail noticeably lowers temperature in covered areas while blocking up to 95% of harmful UV rays.

Key Features

• Material: Woven HDPE fabric offers durability and resists tearing while providing consistent shade coverage.
• Hardware: Stainless steel corner D rings attached to heavy duty white webbing create secure anchor points for reliable mounting.
• Breathability: The water permeable, air permeable design lets wind and rain pass through so the sail avoids pooling and reduces wind stress.
• UV protection: Blocks up to 95% of harmful UV rays, helping lower surface and ambient temperatures by roughly 10 to 15 degrees in shaded areas.
• Custom sizes: Available in multiple sizes and customizable measurements to fit patios, pergolas or carports when measured accurately.

Who It's For

The ShadeMart rectangle sail is ideal for homeowners who want a cost-effective way to add shade to a patio, pool area or carport without building permanent structures. It suits DIY installers who have basic mounting points like posts, trees or a wall and want a breathable canopy that lowers temperatures and protects furniture from sun damage.

It is less suitable for buyers who need a fully waterproof cover or who require an exact factory-cut fit without any size variance; the product notes manual measurement variation and that this style is not waterproof, so those needing rainproof coverage should consider an alternative.

Pros & Cons

Pros

• Strong woven HDPE material and reinforced webbing give a durable, long-lasting shelter.
• Stainless steel D rings provide dependable attachment points and resist corrosion outdoors.
• Breathable, water permeable design prevents water pooling and reduces wind load on the fabric.
• Effective UV blocking that meaningfully reduces temperature beneath the sail.

Cons

• Not waterproof, so it will not keep out heavy rain and is not a substitute for a solid roof.
• Manual measurement variation means custom sizes may require careful planning to ensure the best fit.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	10 ft x 21 ft
Material	Woven HDPE (High Density Polyethylene)
Hardware	Stainless steel corner D rings with heavy duty white webbing
Functionality	Water permeable, air permeable, blocks up to 95% UV

Our Verdict

The ShadeMart 10 ft x 21 ft Turquoise rectangle sail is a practical, value-focused pick for anyone wanting durable, breathable shade without a permanent structure. It delivers strong materials, useful UV protection and easy mounting for patios, pools and carports, but buyers who require full waterproofing or perfectly exact custom cuts should look elsewhere. Overall it represents solid value for outdoor shade and temperature reduction.

Frequently Asked Questions

Is this shade sail waterproof?
The sail is water permeable and breathable, not waterproof, so it allows rain to pass through rather than shed it.

What material is the fabric made from?
The fabric is woven HDPE (High Density Polyethylene), designed for strength and UV resistance.

Can it be custom sized?
Yes, ShadeMart offers custom sizes but customers should measure accurately because manual measurement variation can occur.