ShadeMart 20 ft x 22 ft White Sun Shade Sail UPF50 Rectangle - Cool

In this review of the ShadeMart 20' x 22' White Sun Shade Sail the bottom line is straightforward: this heavy-duty woven HDPE rectangle is aimed at homeowners and small businesses who want a large, breathable canopy that cuts heat and blocks sun without trapping moisture. The sail's combination of stainless steel D rings and reinforced webbing makes it feel more durable than many budget covers, and its UPF50 claim and reported cooling effect are the single biggest reasons to buy if your priority is reliable sun protection for a patio, carport, or poolside area.

Key Features

• Material: Woven HDPE fabric provides a balance of strength and breathability so the sail resists tearing while allowing air and water to pass through.
• UV Protection: UPF50 construction blocks up to 95% of harmful UV rays and reduces ambient temperatures by around 10 to 15 degrees in direct sun.
• Hardware: Stainless steel corner D rings attached to heavy duty webbing give secure anchoring points that feel robust under tension.
• Water Permeability: The sail is water permeable and breathable, so it sheds wind-driven rain rather than collecting water pools like waterproof covers do.
• Custom Sizing: Available in a wide range of custom sizes so buyers can order a sail sized to their venue when standard dimensions do not fit.
• Styling: Simple rectangle shape and neutral white color make it easy to integrate with different outdoor decors while providing a clean, modern look.

Who It's For

This shade sail is best for homeowners, renters, and small businesses who need large-area sun protection over patios, pergolas, carports, or poolside seating and who value airflow and UV blocking more than full waterproofing. It is especially suited to locations where wind and occasional rain occur and a breathable fabric is preferred to avoid sagging and pooling.

It is not ideal for buyers who need a fully waterproof canopy or a rigid shelter for continuous heavy rain protection; those customers should look for a waterproof tarp or hard-roof solution instead. Also, accurate measurement and planning for anchor points are required, so customers uncomfortable with custom fit or installation may need professional help.

Pros & Cons

Pros

• Durable woven HDPE holds up well in wind and resists tearing under tension.
• Effective sun protection with UPF50 fabric that noticeably lowers temperature beneath the sail.
• Stainless steel D rings and reinforced webbing provide secure, long-lasting attachment points.
• Breathable, water permeable design prevents pooling and dries quickly after rain.

Cons

• Not waterproof, so it does not replace a solid roof for continuous rain protection.
• Size variations from manual measurement mean careful measuring is required and some buyers reported sizing issues.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	20' x 22'
Material	Woven HDPE (High Density Polyethylene)
Hardware	Stainless steel corner D rings with heavy duty white webbing
Functionality	Water permeable, breathable; UPF50 UV protection

Our Verdict

The ShadeMart 20' x 22' White Sun Shade Sail is a strong value for anyone who needs large-area sun protection that breathes and stands up to weather. It combines durable construction with effective UV blocking and secure hardware, making it a sensible choice for patios, carports, and pool areas; just be aware it is not waterproof and measure carefully before ordering a custom size.

Frequently Asked Questions

Is this sail waterproof?
No. The fabric is water permeable and designed to allow water and air through, not to provide full waterproof coverage.

How does it attach?
The sail uses stainless steel D rings sewn into heavy duty white webbing at the corners for attachment to poles, walls, or other anchor points with appropriate hardware.

Will it reduce temperature under the sail?
Yes. The UPF50 fabric blocks up to 95% of UV rays and customers report a noticeable drop in temperature, typically around 10 to 15 degrees in direct sun.