ShadeMart 15 ft x 19 ft Blue Sun Shade Sail Rectangle - Cool, UV

In this review the ShadeMart 15' x 19' Blue Sun Shade Sail Rectangle is examined for homeowners and small business owners who need an affordable, heavy duty sun cover. The bottom line: this woven HDPE rectangle sail is best for anyone who wants a large, breathable canopy that cuts sunlight and lowers temperature without trapping water. Our review finds it especially useful over patios, carports and pool areas where UV protection, durability and easy installation matter most.

Key Features

• Woven HDPE fabric: The material blocks up to 95% of harmful UV rays while remaining breathable so it reduces heat rather than creating a sauna effect.
• Stainless steel D rings: Heavy duty corner D rings on reinforced white webbing provide strong anchor points and resist corrosion in outdoor conditions.
• Water and air permeable: Water drains through and wind passes easily, so the sail performs in varied weather without pooling or acting like a solid wind sail.
• Custom size options: Multiple size choices and a custom order lead time of 3 to 7 business days let you match the sail to patios, carports and other irregular sites.
• Decorative rectangle shape: The simple rectangular styling fits modern outdoor spaces and can be paired with other sails or existing structures for layered shade.

Who It's For

The ShadeMart rectangle sail is ideal for homeowners, renters with permission to attach anchors, and small businesses seeking a cost-effective way to shade vehicles, outdoor seating or play areas. It works well where airflow and UV protection are priorities rather than full waterproofing.

It is not for buyers who need a fully waterproof canopy or who require rigid dimensional tolerances without any manual measurement variance; customers who want a tarpaulin-style cover should consider other products.

Pros & Cons

Pros

• Durable woven HDPE construction offers long-lasting UV resistance and reduced patio temperatures.
• Strong stainless steel D rings and reinforced webbing make anchoring straightforward and reliable.
• Breathable, water-permeable fabric prevents pooling and promotes airflow under the canopy.

Cons

• Not waterproof, so it will not keep rain off a seating area during heavy storms.
• Size expectations varied among customers, so accurate measuring and attention to custom sizing lead times are required.

Specifications

Our Verdict

The ShadeMart 15' x 19' rectangle shade sail is a practical, value-oriented option for shading patios, carports and pools where UV protection and airflow matter more than waterproofing. With durable HDPE fabric and sturdy stainless hardware it delivers reliable shade and temperature reduction; just measure carefully and allow the short custom lead time for the best fit.

Frequently Asked Questions

Is this sail waterproof?
No. The fabric is water permeable so rain passes through rather than forming pools.

How much UV protection does it provide?
ShadeMart states the fabric blocks up to 95% of harmful UV rays, helping lower temperatures under the canopy.

Can it be attached to trees and poles?
Yes. With proper hardware kits the sail can be anchored to poles, trees, walls or roofs as needed.