ShadeMart 13 ft x 23 ft Blue Sun Shade Sail UPF50 Rectangle - Heavy

Our review of the ShadeMart 13 ft x 23 ft Blue Sun Shade Sail finds it best suited for homeowners and outdoor hobbyists who need a durable, breathable canopy to lower temperatures and shield spaces from sun. The single biggest reason to buy is the fabric construction: woven HDPE that blocks up to 95% of harmful UV rays while remaining water and air permeable, so it cools areas without trapping rain or heat. This review focuses on real-world durability, ease of setup, and suitability for patios, carports, pergolas, and poolside shade.

Key Features

• Woven HDPE fabric: provides strong UV protection while staying breathable so air circulates and water drains through.
• UPF50 sun blocking: shields people and furnishings from up to 95% of UV, reducing surface temperatures noticeably on hot days.
• Stainless steel D rings: heavy duty corner hardware attached to white webbing improves anchor reliability and resists corrosion outdoors.
• Rectangle styling: a simple geometric shape that fits common patio, carport and pergola layouts for neat, predictable coverage.
• Custom size options: the manufacturer offers made-to-measure sails so buyers can match odd spaces when standard sizes do not fit.
• Water and air permeable: lets rain pass through instead of pooling and allows airflow to keep shaded areas cooler and more comfortable.

Who It's For

The ShadeMart rectangle shade sail is aimed at homeowners, renters with outdoor needs, and small business owners who want a functional, low-maintenance canopy that reduces UV exposure and lowers temperatures in yards, patios, and pool areas. It is especially useful where airflow and drainage are important, such as over seating areas or a carport where water pooling would be a problem.

People who need a fully waterproof shelter, an enclosed canopy, or precise factory-cut architectural sails should look elsewhere; this style is purposely water permeable and varies slightly by manual measurement, so for waterproof coverage or precision-engineered installations a different product or professional fabrication may be a better fit.

Pros & Cons

Pros

• High quality woven HDPE fabric gives durable UV protection and good color retention over time.
• Stainless steel D rings and heavy webbing make mounting secure and resilient to changing weather.
• Allows airflow and water passage, preventing heat buildup and standing water on the canopy.
• Custom sizing options make it adaptable to many outdoor layouts.

Cons

• Not waterproof, so it will not keep out heavy rain or provide a dry shelter beneath.
• Some buyers report the standard size can feel large; careful measurement and possibly custom sizing are important.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	13 ft x 23 ft
Material	Woven HDPE (High Density Polyethylene)
UV Protection	Blocks up to 95% of UV, UPF50
Hardware	Stainless steel D rings on heavy white webbing
Functionality	Water and air permeable, not waterproof

Our Verdict

The ShadeMart 13 ft x 23 ft Blue Sun Shade Sail is a strong value when you need reliable UV protection, airflow and easy attachment points for patios, carports and poolside areas. It is well built with quality hardware and fabric, and the custom sizing option makes it flexible for many installs; just be aware it is not a waterproof shelter and buyers should measure carefully before purchase.

Frequently Asked Questions

Is this shade sail waterproof?
The fabric is water and air permeable and is not waterproof, so it will not keep out heavy rain.

What hardware is included for installation?
The sail has stainless steel D rings attached to heavy duty white webbing; proper tensioning hardware kits are recommended but may be purchased separately.

Can I get a custom size?
Yes, the maker offers custom sized shade sails; measure your mounting points carefully because dimensions may vary slightly due to manual measurement.