ShadeMart 7 ft x 20 ft Grey Sun Shade Sail UPF50 Rectangle - Heavy

In this review of the ShadeMart 7 ft x 20 ft Grey Sun Shade Sail, the bottom line is simple: this is a practical, heavy duty rectangle shade for homeowners or small business owners who want reliable sun protection without creating a waterproof canopy. The reviewer found it best for patios, carports, and poolside spots where breathability and UV blocking matter most, and highlights the fabric's woven HDPE construction and stainless steel corner D rings as the single biggest reasons to buy for long-term outdoor use.

Key Features

• Woven HDPE fabric: The high density polyethylene weave provides a durable, tear-resistant surface that stands up to sun exposure and routine outdoor use.
• UPF50 sun protection: Blocks up to 95% of harmful UV rays so shaded areas feel noticeably cooler and safer for extended outdoor time.
• Water permeable design: Breathable fabric allows water and air to pass through, avoiding pooling and reducing wind stress on the sail.
• Stainless steel D rings: Heavy duty corner D rings attached to white webbing give secure anchor points for common hardware kits and multiple mounting options.
• Custom sizing available: Multiple custom sizes can be ordered to fit irregular or large venues when measured accurately before purchase.
• Rectangle styling: The simple rectangular shape integrates with patios, pergolas, and carports while serving as a functional decorative element.

Who It's For

The ShadeMart rectangle shade sail is ideal for homeowners, renters, or small businesses that need effective sun protection over patios, carports, pool areas, or seating zones and prefer a breathable fabric rather than a waterproof cover. Its heavy duty fittings and HDPE construction suit people who want a long-lived fabric solution that reduces heat and blocks UV while allowing rain to pass through.

It is less suitable for buyers who need a waterproof shelter for continuous rain protection or those who require a perfect geometric precision; some customers report size or shape variations from manual cutting, so exact-fit installations should be planned with that in mind.

Pros & Cons

Pros

• Durable woven HDPE fabric that withstands sun exposure and heavy use.
• Effective UPF50 sun protection, significantly lowering temperature under the sail.
• Breathable and water permeable, which prevents water pooling and reduces wind load.
• Stainless steel D rings and strong webbing for secure attachments and longevity.

Cons

• Not waterproof, so it will not keep an area dry during heavy rain.
• Size and shape can vary slightly due to manual measurements and cutting.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	7 ft x 20 ft
Material	Woven HDPE (High Density Polyethylene)
UV Protection	Blocks up to 95% (UPF50)
Fittings	Stainless steel corner D rings on heavy duty webbing
Water Resistance	Water permeable, not waterproof

Our Verdict

The ShadeMart 7 ft x 20 ft rectangle shade sail is a solid value for anyone who prioritizes sun protection, durability, and breathability over waterproofing. It performs well in reducing heat and holds up to outdoor conditions when installed with proper hardware, making it a sensible purchase for patios, carports, and poolside areas where airflow and UV blocking are the main goals.

Frequently Asked Questions

Is this shade sail waterproof?
The fabric is water permeable and breathable, so it is not waterproof and will allow rain to pass through.

Can it be cut to size or customized?
Custom sizes are available from the manufacturer and the product page advises measuring the venue accurately before ordering.

What hardware is required to install it?
Installation requires appropriate mounting hardware kits, anchors or posts; the sail includes stainless steel D rings and heavy webbing for secure attachment to poles, walls, or trees.