ShadeMart 12 ft x 20 ft Beige Sun Shade Sail - UPF50 Rectangle Canopy

Our review of the ShadeMart 12 ft x 20 ft Beige Sun Shade Sail finds it best for homeowners and small businesses who need a durable, breathable sun canopy that meaningfully lowers outdoor temperatures. The sail is made from woven HDPE and blocks up to 95% of harmful UV, so the biggest reason to buy is the combination of reliable sun protection and airflow: it cuts heat while allowing water and air to pass through, making it a practical choice for patios, carports, and poolside shade.

Key Features

• MATERIAL: Woven HDPE fabric provides a sturdy, tear-resistant surface that stands up to regular outdoor exposure without being fully waterproof.
• UV PROTECTION: Blocks up to 95% of harmful UV rays and sunlight, which helps lower ambient temperatures by around 10 to 15 degrees under the canopy.
• BREATHABILITY: Water permeable and breathable construction prevents pooling and promotes airflow for cooler, more comfortable shaded spaces.
• HARDWARE: Stainless steel D rings attached to heavy duty white webbing give secure anchor points for proper tension and long-lasting attachment.
• CUSTOM SIZE OPTION: A wide selection of custom sizes is available so users can match the sail to specific patios, carports, or pergolas when standard dimensions do not fit.
• STYLING: Rectangle shape and neutral beige color integrate easily into existing outdoor schemes while serving as a decorative canopy.

Who It's For

The ShadeMart rectangle sail is ideal for homeowners, gardeners, and small business owners who want a breathable, UV-blocking canopy for a patio, carport, pergola, or pool area. It is particularly suited to installations where water permeability is desired so rain runs through instead of pooling on the fabric.

Shoppers who need a fully waterproof canopy, or who require perfectly precise factory-cut geometric shapes for architectural projects, should look elsewhere; manual measurements mean size can vary slightly and this style is explicitly not waterproof.

Pros & Cons

Pros

• Effective sun protection that blocks most UV and reduces temperature under the sail.
• Durable woven HDPE construction with robust stainless steel D rings for reliable anchoring.
• Breathable, water permeable fabric prevents water pooling and improves airflow.
• Available in custom sizes to fit many different outdoor spaces.

Cons

• Not waterproof, so it will not keep an area dry during heavy rain.
• Customers report occasional size or shape variation from manual measurements, so careful measuring is essential.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	12 ft x 20 ft (standard)
Material	Woven HDPE (High Density Polyethylene)
UV Rating	Blocks up to 95% UV
Hardware	Stainless steel D rings with heavy duty white webbing
Waterproof	Water permeable / not waterproof

Our Verdict

The ShadeMart 12 ft x 20 ft Beige Sun Shade Sail is a sensible value for anyone who wants strong sun protection with airflow and durability rather than a waterproof canopy. It fits patios, carports and pool areas well, and the HDPE fabric plus stainless D rings make it a practical long-term option when measured carefully and installed with proper hardware.

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 it significantly reduce heat under the canopy?
Yes, the sail blocks up to 95% of UV and typically lowers temperatures under the canopy by roughly 10 to 15 degrees.

Are custom sizes available?
Yes, ShadeMart offers a selection of custom sizes; measure your site accurately since manual measurement can cause slight variations.