ShadeMart 9 ft x 19 ft Blue Sun Shade Sail UPF50 Rectangle

Our review of the ShadeMart 9' x 19' Blue Sun Shade Sail finds it to be a practical choice for homeowners and small businesses who need reliable sun protection without a heavy, permanent structure. The biggest reason to buy is its combination of strong woven HDPE fabric and UPF50 sun blocking that cuts heat significantly, making outdoor areas noticeably cooler while remaining breathable. Installation is straightforward for anyone comfortable with basic mounting hardware, and the rectangle shape fits common patios, carports and poolside seating areas well.

Key Features

• Material: Woven HDPE fabric provides a durable, tear-resistant surface that withstands sun exposure without stretching or fading quickly.
• Sun protection: UPF50 sun blocking blocks up to 95% of harmful UV rays, helping lower ambient temperatures under the canopy.
• Breathability: The water permeable weave lets air and rain pass through, reducing wind load and preventing pooled water on the sail.
• Hardware quality: Stainless steel D rings and heavy duty white webbing at corners give secure anchor points that resist corrosion.
• Custom sizing: Available in multiple sizes and custom cuts so buyers can match irregular spaces or nonstandard installations.
• Styling: Rectangle profile and color choices let the sail both shade and visually enhance patios, pergolas or carports.

Who It's For

The ShadeMart 9' x 19' sail is ideal for homeowners, renters and small business owners who want an affordable, nonpermanent shade solution for patios, pool sides, carports and outdoor seating areas. It works well where airflow under the canopy is desirable and where a breathable, water permeable fabric is preferred over a waterproof tarp.

Those who need a sealed, watertight cover or a perfectly geometric industrial canopy should look elsewhere; this sail is explicitly not waterproof and manual measurements can introduce slight shape variation. Buyers who require exact factory-cut rectangles or full waterproof protection should consider alternative products.

Pros & Cons

Pros

• High UPF50 sun protection that noticeably reduces heat beneath the sail.
• Durable woven HDPE fabric with stainless steel corner D rings for long-term use.
• Breathable, water permeable design reduces wind stress and prevents water pooling.
• Custom size options and straightforward installation for many mounting scenarios.

Cons

• Not waterproof, so it will not keep heavy rain out of covered areas.
• Some customers report size and shape can vary slightly due to manual measurements.

Specifications

Brand	ShadeMart
Model size	9' x 19' (rectangle)
Material	Woven HDPE (High Density Polyethylene)
UV protection	UPF50 / blocks up to 95% UV
Water behavior	Water permeable / breathable (not waterproof)
Corner fittings	Stainless steel D rings on heavy duty white webbing
Applications	Patio, carport, pergola, pool, yard, window shading

Our Verdict

The ShadeMart 9' x 19' Blue Sun Shade Sail is a sensible value for people who need effective UV protection and a breathable, durable canopy for outdoor spaces. Its UPF50 fabric, stainless steel corner hardware and custom sizing options make it versatile for patios, carports and poolside areas, though buyers who need waterproof coverage or perfectly precise factory dimensions should consider other options.

Frequently Asked Questions

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

How much sun protection does it provide?
The sail provides UPF50 protection and can block up to 95% of harmful UV rays, significantly lowering temperatures under the canopy.

Can it be mounted to trees or poles?
Yes, with appropriate hardware kits the sail can be attached to poles, trees, walls or roofs for a variety of installations.