ShadeMart 17 ft x 23 ft Brown Rectangle Sun Shade Sail - Breathable UV

In this review the ShadeMart 17 ft x 23 ft Brown Rectangle Sun Shade Sail is evaluated for homeowners and outdoor entertainers who need durable, breathable sun protection. The biggest reason to buy is its balance of heavy-duty construction and airflow: made from woven HDPE fabric with stainless steel D rings and reinforced webbing, it blocks up to 95% of UV while allowing water and air to pass through, keeping patios and carports noticeably cooler without trapping heat or moisture.

Key Features

• Material: Woven HDPE fabric resists tearing and preserves shade coverage so the sail lasts through seasonal use.
• UV protection: Blocks up to 95% of harmful UV rays, which helps lower surface temperatures by roughly 10 to 15 degrees on covered areas.
• Breathability: The water permeable design lets rain and breeze pass through, preventing pooling and reducing wind load in storms.
• Hardware: Stainless steel corner D rings and heavy duty white webbing provide sturdy attachment points for standard mounting kits.
• Custom sizing: Multiple sizes and custom options allow fitting to patios, carports, pergolas, and pool areas when measured accurately.
• Styling: Rectangle shape in multiple colors integrates with outdoor decor while providing broad coverage for seating and vehicle areas.

Who It's For

The ShadeMart rectangle shade sail is best for homeowners, renters, and small business owners who need reliable UV protection over decks, patios, carports, or play areas and prefer a breathable, non-waterproof cover that reduces heat. It suits people who want a heavy duty fabric option with reinforced corners to use with posts, walls, trees, or existing structures.

Those who should look elsewhere include buyers who need a fully waterproof canopy or an insulated, solid roof replacement. If absolute rainproof shelter or enclosed weather protection is required, a waterproof awning or hard carport would be more appropriate.

Pros & Cons

Pros

• Durable woven HDPE fabric and stainless steel D rings give a robust mounting solution that stands up to regular outdoor use.
• High UV blockage keeps shaded spaces significantly cooler and protects furnishings from sun damage.
• Water permeable design prevents pooling and allows airflow, improving comfort beneath the sail.

Cons

• Not waterproof, so it won't provide full rain protection during heavy downpours.

Specifications

Our Verdict

The ShadeMart 17 ft x 23 ft rectangle sail is a solid value for anyone wanting heavy duty, breathable UV protection rather than a waterproof cover. Its reinforced corners and high UV blockage make it a practical choice for patios, carports, and poolside shade where airflow and durability matter most.

Frequently Asked Questions

Is this shade sail waterproof?
No, this style is water permeable and will not act as a waterproof canopy; it allows water to pass through.

Can it be used on a carport or over a pool?
Yes, with proper hardware the sail can be attached to poles, walls, trees, or roofs to provide shade for carports and pool areas.

How much UV protection does it provide?
The fabric blocks up to 95% of harmful UV rays and can lower covered surface temperatures by about 10 to 15 degrees.