ShadeMart 12 ft x 19 ft Blue Rectangle Sun Shade Sail - UPF50

In this review of the ShadeMart 12 ft x 19 ft Blue Sun Shade Sail the bottom line is simple: it is a practical, heavy duty shade solution for homeowners who want reliable sun protection and airflow over a medium to large outdoor area. The reviewer found the woven HDPE fabric and stainless steel D rings to combine into a durable, low-maintenance canopy that blocks most UV while remaining water permeable, making it a solid choice for patios, carports, and poolside seating where cooling and sun blockage are the priority.

Key Features

• Material: The woven HDPE fabric resists fading and offers a sturdy, tear-resistant surface that holds up under regular outdoor exposure.
• UV Protection: Rated to block up to 95% of harmful UV rays, the sail significantly reduces direct sun and lowers felt temperatures beneath the canopy.
• Water Permeable: Designed to let water and air pass through, the sail prevents pooling and improves airflow for a cooler, drier shaded area.
• Hardware: Stainless steel corner D rings attached to heavy duty white webbing provide secure anchor points that are corrosion resistant.
• Custom Size Options: Available in a broad range of custom sizes so you can order dimensions that fit irregular spaces when measured carefully.
• Versatile Styling: The rectangle shape and color choice help the sail act as both functional shade and a decorative addition to outdoor spaces.

Who It's For

The ShadeMart 12 ft x 19 ft shade sail is aimed at homeowners or small business owners who need durable, breathable sun protection over patios, carports, pergolas, or pool seating areas. Its UPF performance and water permeability make it especially useful in hot, sunny climates where lowering temperatures and preventing water pooling are priorities.

People who need a fully waterproof canopy, require a precise factory-cut rectangle every time, or who prefer built-in grommets rather than D rings should consider other products; also measure your mounting area carefully because the manufacturer notes manual size variation.

Pros & Cons

Pros

• High-density woven HDPE fabric feels robust and resists fading and tearing.
• Blocks a large portion of UV rays while remaining breathable, reducing heat under the sail.
• Stainless steel D rings and heavy webbing provide durable anchor points for secure installation.
• Custom sizing options make it adaptable to many outdoor layouts.

Cons

• Not waterproof, so it will not keep heavy rain entirely off the covered area.
• Some buyers reported size or shape variation, so precise measurement and expectation management are required.

Specifications

Our Verdict

The ShadeMart 12 ft x 19 ft Blue Sun Shade Sail is a dependable, value-minded option for anyone needing strong UV protection and improved airflow over a medium outdoor area. It performs well in sunlight, is built with durable components, and is worth buying if you want a breathable, long-lasting shade solution and can accept that it is not waterproof and may have small sizing variation.

Frequently Asked Questions

Is this shade sail waterproof?
No, the fabric is water permeable and designed to allow water to pass through rather than form a waterproof barrier.

How much UV protection does it provide?
The sail blocks up to about 95% of harmful UV rays, reducing direct sun and helping lower temperatures under the canopy.

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