Sun Shade Sail 16ftx20ft Rectangle Charcoal - UV Block and Cooling

In this review the SUNNY GUARD 16'x20' rectangle sun shade sail is evaluated for homeowners and outdoor hosts who want a simple way to cut heat and UV exposure in yards, patios or over pools. The bottom line: it is a practical, durable shade solution that blocks up to 95% of UV rays and noticeably cools covered areas, making it worth considering for anyone who needs broad, breathable shade without a permanent structure.

Key Features

• UV Protection: The high density polyethylene fabric blocks up to 95% of harmful UV rays, reducing sun exposure for people and furniture beneath the sail.
• Cooling Performance: The breathable material allows air to pass through so shaded areas feel cooler, often lowering perceived temperature by several degrees.
• Durability: Made from 100% brand new high density polyethylene without splicing, the sail resists sun degradation and stands up well in windy conditions.
• Customizable Size: SUNNY GUARD offers custom sizing to fit unique outdoor spaces, which helps when standard sizes do not match the intended mounting points.
• Included Accessories: The package includes 3-4 thickened ropes to get the sail installed quickly, with the option to purchase stainless steel hardware for long-term durability.
• Versatile Use: The rectangular sail works for patios, decks, pergolas, carports and pool areas, giving flexible coverage for many outdoor facilities.

Who It's For

The sail is best for homeowners, renters and small-business owners who need a non-permanent, low-maintenance way to shade a backyard, patio, deck or poolside seating area. It suits people who want a breathable fabric that cools without trapping heat, and who value blocking UV for comfort and protection.

Those who need a fully rigid, permanent awning or who require a fully waterproof canopy should look elsewhere; this product is designed to provide shade and UV protection rather than complete rain shelter or a hard structural cover.

Pros & Cons

Pros

• Blocks a high percentage of UV rays, offering strong sun protection for outdoor living spaces.
• Breathable fabric improves airflow and cooling under the sail compared with solid covers.
• Construction without spliced fabric and availability of custom sizes improves fit and longevity.
• Good value for the coverage area and included ropes make initial setup straightforward.

Cons

• Not designed as a waterproof solution, so it will not replace full rain protection.
• The finished product may vary by up to 4 in due to material characteristics, which can matter for very tight fits.

Specifications

Brand	SUNNY GUARD
Shape	Rectangle
Size	16' x 20'
Material	High density polyethylene (100% new)
UV Block	Up to 95%
Included Accessories	3-4 thickened ropes
Made	Made in USA (custom sizes available)

Our Verdict

The SUNNY GUARD 16'x20' rectangle sun shade sail is a sensible choice for anyone who wants broad, breathable shade and strong UV protection without building a permanent structure. It delivers good cooling, durable fabric and useful included ropes, and the option for custom sizing improves fit for odd spaces, making it a good value for most residential and light commercial outdoor uses.

Frequently Asked Questions

Will this shade sail keep rain off a seating area?
Answer. No, the fabric is breathable and designed for shade and UV protection rather than full waterproofing, so it will not provide complete rain shelter.

Can the sail withstand wind?
Answer. The high density polyethylene construction is durable and customers report it holds up well in windy conditions, though proper tensioning and hardware are recommended.

Can I order a custom size?
Answer. Yes, SUNNY GUARD offers custom sizes to better match unique mounting points; expect a possible manufacturing deviation of up to 4 in.