ShadeMart 8 ft x 13 ft Black Sun Shade Sail UPF50 Rectangle - Cool

In this review of the ShadeMart 8 ft x 13 ft Black Sun Shade Sail, the bottom line is simple: it is a practical, heavy duty rectangle sail for anyone who needs reliable UV protection and breathability above a patio, carport or pool. The biggest reason to buy is the fabric: woven HDPE that blocks up to 95% of harmful UV while remaining water permeable so heat and rain do not collect on the canopy. Installation is straightforward for a basic mounted shade and the construction feels built to last.

Key Features

• Material: Woven HDPE fabric provides a strong, tear-resistant surface that resists fading and holds shape under tension.
• UV protection: The sail blocks up to 95% of harmful UV rays, lowering temperatures under the canopy by a noticeable amount and improving comfort.
• Breathability: Water permeable construction allows air and water to pass through, preventing pooling and reducing wind load during storms.
• Hardware readiness: Stainless steel corner D rings attached to heavy duty webbing give secure anchor points for common mounting kits and rigging.
• Custom sizing: Available in a range of custom sizes so buyers can match odd layouts or oversized areas when measured accurately.
• Styling: Rectangle shape and color options let the sail serve both functional and decorative roles in outdoor design.

Who It's For

This shade sail is well suited to homeowners and renters who need durable, breathable sun protection for a patio, carport, pergola or pool area and want to reduce direct sun and heat without creating a closed canopy. It is also a good choice for DIY installers who will attach the sail to trees, poles or walls using a standard hardware kit.

It is not the right product for someone who needs a fully waterproof cover or a precisely guaranteed rectangle without any variation; customers should measure carefully if ordering a custom size and expect manual measurement tolerances noted by the maker.

Pros & Cons

Pros

• High UPF sun protection while remaining breathable, so shaded areas stay cooler.
• Durable woven HDPE fabric and stainless steel D rings provide long-term performance.
• Water permeable design avoids water pooling and reduces wind stress on anchors.
• Custom sizing options and simple rectangular styling that fits many outdoor layouts.

Cons

• Not waterproof, so it will not keep rain out beneath the sail.
• Size and exact rectangle shape can vary with manual measurements, so careful measuring is required.

Specifications

Product type	Rectangle shade sail
Material	Woven HDPE (High Density Polyethylene)
Size	8 ft x 13 ft (model: rectangle)
UV protection	Blocks up to 95% of UV rays (UPF50 level)
Corners	Stainless steel D rings on heavy duty white webbing
Water resistance	Water permeable, not waterproof

Our Verdict

The ShadeMart 8 ft x 13 ft rectangle sail is a solid, practical choice for shading outdoor living spaces where UV protection, breathability and durability matter more than waterproof coverage. For most patios, carports and poolside spots it offers good value thanks to rugged HDPE fabric, stainless fittings and customization options; buyers should measure carefully and not expect rainproof performance.

Frequently Asked Questions

Is this shade sail waterproof?
Answer: No, the fabric is water permeable and designed to allow water and air to pass through rather than keep rain out.

How much UV does it block?
Answer: The sail blocks up to 95% of harmful UV rays, providing UPF50 level sun protection when correctly installed.

Can it be attached to poles or trees?
Answer: Yes, the stainless steel D rings and heavy duty webbing allow attachment to poles, trees, walls or other structures with the proper hardware kit.