SUNNY GUARD Sun Shade Sail 18ftx20ft Rectangle Turquoise Blue - UV

In this review the SUNNY GUARD 18'x20' rectangle sun shade sail is examined for homeowners and outdoor hosts who need broad, reliable sun protection without complex structures. The bottom line: this shade sail is best for anyone wanting simple, durable UV coverage that breathes and cools; it blocks up to 95% of harmful UV rays while letting air pass through, making it a practical, budget-friendly alternative to fixed awnings for yards, patios and poolside spaces.

Key Features

• UV Protection: The high density polyethylene fabric blocks up to 95% of UV rays, providing substantial sun protection for people and furniture beneath the sail.
• Breathable Cooling: The breathable mesh construction allows air and some water to pass through, reducing heat buildup under the shade and improving comfort on hot days.
• Durable Material: Made from 185GSM high density polyethylene without spliced panels, the sail is designed to be sturdy and resist tearing at the seams.
• Customizable Size: The brand offers custom sizing so the sail can be tailored to fit unique backyard, pergola or poolside configurations for a cleaner, fitted look.
• Installation Accessories: The product ships with 3-4 pieces of thickened rope for mounting and recommends stainless steel hardware for long-term durability.
• Warranty and Support: Made in USA and backed by a 5 year warranty under normal use, with customer support available for sizing or installation questions.

Who It's For

This shade sail is ideal for homeowners, renters and small businesses who need an affordable, low-profile sunshade for a backyard, patio, deck or pool area. It suits people who prefer a semi-permanent solution that is easier to install than built structures and who value airflow to keep the shaded area cooler.

Those who need a totally waterproof canopy, integrated lighting, or a hard permanent structure should look elsewhere; while the breathable fabric sheds some water and debris, it is not intended as a waterproof roof replacement or heavy-duty windstorm shelter.

Pros & Cons

Pros

• High UV block rate provides strong sun protection for people and outdoor furniture.
• Breathable fabric reduces heat under the sail, improving comfort on hot days.
• Reinforced edges and solid construction make it a durable, value-oriented option.
• Custom sizing and included mounting rope simplify fitting the sail to unusual spaces.

Cons

• Not fully waterproof, so it will not keep an area completely dry during heavy rain.
• For the most durable installs, buyers should purchase stainless steel mounting hardware separately.

Specifications

Brand	SUNNY GUARD
Model Shape	Rectangle
Size	18'x20'
Material	High density polyethylene, 185GSM
UV Block Rate	Up to 95%
Accessories Included	3-4 pieces of rope (triangle 3 / square or right triangle 4)
Warranty	5 years under normal use and weather

Our Verdict

The SUNNY GUARD 18'x20' rectangle shade sail is a practical choice for anyone seeking strong UV protection and airflow at an affordable price. Its breathable HDPE fabric, reinforced edges and customizable sizing deliver reliable shade for patios, pools and gardens; buyers who need waterproof coverage or heavy-duty mounting hardware should plan to add stainless steel accessories for the longest life.

Frequently Asked Questions

Will this sail block most of the sun?
The fabric blocks up to 95% of UV rays, so it provides substantial shade and sun protection for people and furniture beneath it.

Is the sail waterproof?
The material is breathable and allows water to pass through, so it is not a fully waterproof roof replacement for heavy rain.

What hardware is included for installation?
The sail ships with 3-4 pieces of thickened rope for mounting; for durability the manufacturer recommends purchasing stainless steel sunshade accessories separately.