ShadeMart 13ft x 24ft Black Sun Shade Sail UPF50 Rectangle - Durable

In this review the ShadeMart 13' x 24' black rectangle shade sail is evaluated for homeowners and outdoor hobbyists who want reliable sun protection without a permanent structure. The bottom line: this canopy delivers broad UV defense and airflow in a heavy duty woven fabric that installs to posts, trees, or walls, making it a solid choice for patios, carports, pools and boats. It is especially useful for anyone needing a large, breathable cover that cuts sun exposure while remaining structurally robust.

Key Features

• Material: Woven HDPE fabric provides a balance of strength and breathability, so the sail resists tearing while allowing air and some water to pass through.
• UV Protection: Blocks up to 95% of harmful UV rays, which reduces direct sunlight and helps lower temperatures beneath the canopy by around 10 to 15 degrees.
• Hardware: Stainless steel corner D rings attached to heavy duty white webbing create strong anchor points for tensioning and repeated installations.
• Water Permeable: The fabric is breathable and water permeable, so rain drains through instead of pooling on the sail and wind load is reduced.
• Custom Size Options: Multiple sizes are offered and custom sizing is available so buyers can match irregular spaces when they measure their venue carefully.
• Styling: Rectangle shape and multiple color choices allow the sail to act as a functional shade and a decorative addition to outdoor spaces.

Who It's For

The ShadeMart rectangle sail suits homeowners, renters, and small-business outdoor spaces that need temporary or semi-permanent sun protection over a patio, carport, boat slip, pool or yard. Installers who want a breathable, durable fabric that reduces heat and UV exposure will appreciate the stainless steel rings and heavy webbing.

Those who need a fully waterproof cover or a completely rigid structure should look elsewhere, since this style is intentionally water permeable rather than waterproof. Also, buyers who cannot measure mounting points accurately may want professional assistance for a custom or large installation.

Pros & Cons

Pros

• Durable woven HDPE fabric stands up to wind and sunlight for extended outdoor use.
• Effective UV blocking (up to 95%) and measurable temperature reduction under the canopy.
• Stainless steel D rings and heavy webbing give secure anchor points for a range of mounting options.
• Breathable, water permeable design prevents water pooling and improves airflow beneath the sail.

Cons

• Not waterproof, so it does not provide full rain protection during heavy storms.
• Large or custom installations require careful measurement and planning to fit correctly.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	13 ft x 24 ft
Material	Woven HDPE (High Density Polyethylene)
UV Protection	Up to 95% UV block (UPF50)
Hardware	Stainless steel corner D rings with heavy duty webbing
Water Resistance	Water permeable / breathable (not waterproof)

Our Verdict

The ShadeMart 13' x 24' rectangle shade sail is a practical, cost-effective solution for anyone who wants breathable, high-UV protection with durable anchoring hardware. It is good value for patios, carports, pool areas and boats where ventilation and sun blockage matter more than complete rainproofing, provided installers measure mounting points carefully or choose custom sizing when needed.

Frequently Asked Questions

Is this shade sail waterproof?
The sail is water permeable and breathable, so it drains and is not fully waterproof.

Can the sail be attached to trees and poles?
Yes, with proper hardware kits the stainless steel D rings and heavy webbing allow attachment to poles, trees, walls and roofs.

Will it reduce temperature under the canopy?
Yes, customers report it significantly lowers temperatures beneath the sail, typically by around 10 to 15 degrees in direct sun.