13ft x 13ft Black Sun Shade Sail UPF50 Square - Breathable Patio

In this review of the ShadeMart 13' x 13' Black Sun Shade Sail the bottom line is simple: this is a durable, breathable canopy made for homeowners who want effective sun protection and airflow without sealing out rain. The sail is best for patios, carports, pergolas and pools where reducing heat and blocking UV is the priority; it is built from woven HDPE with stainless steel D rings and heavy webbing, and it delivers UPF protection while remaining water permeable and easy to install.

Key Features

• Woven HDPE fabric: provides strong, tear-resistant coverage that blocks up to 95% of harmful UV rays while remaining breathable.
• Stainless steel D rings: heavy duty corner fittings attached to white webbing make secure anchoring and long term corrosion resistance possible.
• Water permeable design: allows rain and airflow to pass through the fabric so the area below stays ventilated and avoids water pooling.
• Heat reduction: the sail noticeably lowers ambient temperature in shaded areas, improving comfort on sunny days.
• Custom size options: multiple sizes are available so you can select a sail that fits your patio, carport, or yard space when measured accurately.
• Styling versatility: rectangle shape and color choices let the sail act as both functional shade and an outdoor design element.

Who It's For

This shade sail is aimed at homeowners and renters who need robust sun protection for outdoor living spaces like patios, poolsides, and carports and who prefer breathable coverage instead of a fully waterproof canopy. It is also a good choice for DIY installers who will attach the sail to posts, walls or trees using proper hardware kits.

Those who need a fully waterproof shelter or precise architectural symmetry should look elsewhere; the fabric is intentionally water permeable and manual measurements can produce slight shape variation, so exact rectangular geometry should not be assumed for high-precision installations.

Pros & Cons

Pros

• High UPF protection and heat reduction make it effective at improving outdoor comfort.
• Durable woven HDPE and stainless steel D rings resist wear and weather over time.
• Water permeable fabric prevents pooling and promotes airflow in varied weather.
• Available in custom sizes and multiple colors to match existing outdoor decor.

Cons

• Not waterproof, so it will not fully block heavy rain for sheltered use.
• Some customers report size variation and imperfect rectangle shape due to manual measurements.

Specifications

Brand	ShadeMart
Size	13' x 13'
Material	Woven HDPE (High Density Polyethylene)
Corner Fittings	Stainless steel D rings with heavy white webbing
Water Resistance	Water permeable, not waterproof
UV Protection	Blocks up to 95% of UV rays (UPF50)

Our Verdict

The ShadeMart 13' x 13' Black Sun Shade Sail is a practical, cost-effective canopy for anyone who needs breathable sun protection and durability for patios, carports and pool areas. It is well suited to DIY installations and outdoor spaces where airflow and UV blocking matter more than full waterproofing; overall it offers strong value for those priorities.

Frequently Asked Questions

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

Can I mount it to trees or posts?
Yes, with the proper hardware kits the sail can be attached to poles, trees, walls, roofs and more.

Will it reduce temperature under the sail?
Yes, customers report it significantly lowers temperatures in shaded areas by improving UV blocking and airflow.