19ft x 21ft Turquoise Rectangle Sun Shade Sail - UPF50 Cooling Canopy

In this review of the 19' x 21' Turquoise Rectangle Sun Shade Sail, the bottom line is simple: this is a durable, breathable canopy for homeowners who want dependable sun protection and a cooler outdoor space. The sail is made of woven HDPE fabric with stainless steel D rings sewn into heavy duty webbing, and it consistently blocks up to 95% of UV rays while lowering temperatures under the canopy. For anyone adding shade to a patio, carport, pool area, or pergola, the material and construction make this a practical, long-lasting choice.

Key Features

• Woven HDPE fabric: The high density polyethylene weave provides a strong, tear-resistant surface that still allows airflow to reduce heat buildup.
• Stainless steel corner D rings: Corrosion-resistant metal fittings sewn into heavy white webbing make attachment secure and reliable in outdoor conditions.
• Water permeable and breathable: The sail allows water and air to pass through, preventing pooling and reducing wind stress on the fabric.
• UPF50 sun protection: Blocks up to 95% of harmful UV rays, significantly lowering temperatures beneath the canopy for more comfortable outdoor use.
• Custom size options: A range of sizes is available so you can order a sail that matches your venue, provided you measure the space carefully before purchase.
• Rectangle styling: The simple geometric shape integrates easily with patios, carports, and pergolas while adding a decorative splash of color.

Who It's For

The sail is best for homeowners and renters who need reliable sun protection over patios, decks, pools, or carports and who value airflow and UV blocking over full waterproof coverage. It suits those who want a heavy duty, low-maintenance canopy that can be attached to posts, trees, walls, or roofs with appropriate hardware.

People who need a fully waterproof cover or require exact factory-cut dimensions should look elsewhere; this fabric is intentionally water permeable and custom sizes depend on careful manual measurement, so allow for small variances in cut while trusting the stated fabric area.

Pros & Cons

Pros

• High quality woven HDPE blocks up to 95% of UV while remaining breathable for cooler shade.
• Stainless steel D rings and heavy webbing provide secure anchor points that resist corrosion.
• Durable construction and good value for larger shade areas like patios and carports.
• Easy to install with proper hardware and versatile for mounting to many structures.

Cons

• Not waterproof, so it does not provide full rain protection and will pass water through.
• Custom sizes can vary slightly due to manual measurements, so careful measuring is required.

Specifications

Material	Woven HDPE (High Density Polyethylene)
Shape	Rectangle
Size	19' x 21'
UV Protection	UPF50, blocks up to 95% UV
Corners	Stainless steel D rings with heavy white webbing
Water Resistance	Water permeable and breathable (not waterproof)
Applications	Patio, carport, pergola, pool, yard, window shade

Our Verdict

The 19' x 21' turquoise rectangle shade sail is a sensible, cost-effective solution for anyone seeking substantial UV protection and improved comfort outdoors. Its heavy duty HDPE fabric and stainless fittings make it a durable choice for patios, pergolas, and carports; just remember it is water permeable, so buy it for sun control and airflow rather than rain protection.

Frequently Asked Questions

Is this shade sail waterproof?
The fabric is water permeable and breathable, so it will allow water to pass through rather than providing waterproof coverage.

How much UV protection does it offer?
The sail provides UPF50 protection and is rated to block up to 95% of harmful UV rays.

Can I mount this to trees or posts?
Yes, with the proper hardware kits the stainless steel D rings and webbing allow attachment to poles, trees, walls, roofs, and other structures.