SUNNY GUARD Sun Shade Sail 17ftx18ft Rectangle Brown - Cooling UV

In this review of the SUNNY GUARD 17'x18' rectangular sun shade sail, the bottom line is simple: it is a practical, budget-friendly way to add reliable sun protection and cooling for mid-sized outdoor spaces. The reviewer found the sail especially well suited to patios, decks and poolside spots where a fixed awning is overkill, because it blocks up to 95% of UV rays while remaining breathable so air and light still pass through. Setup is straightforward with basic rope or optional stainless steel hardware for a longer-lasting install.

Key Features

• UV protection: The high density polyethylene fabric blocks up to 95% of harmful UV rays, helping protect skin and outdoor furnishings from sun damage.
• Cooling, breathable fabric: The 185 GSM breathable material allows air and water to pass through, reducing heat buildup underneath the sail on hot days.
• Durable construction: Reinforced edges and a single-piece, non-spliced fabric improve longevity and resist tearing under normal outdoor conditions.
• Customizable size: SUNNY GUARD offers custom sizing to fit irregular or specific outdoor layouts when a standard 17' x 18' sail does not match the space.
• Installation accessories: Basic rope (3-4 pieces included) lets you rig the sail immediately, with the option to upgrade to stainless steel accessories for greater durability.
• Warranty and support: Made in the USA and backed by a 5 year warranty under normal use, with customer support available for sizing and installation questions.

Who It's For

This shade sail is a good choice for homeowners who want an affordable, effective way to shade a backyard, patio, pergola or pool area without installing permanent structures. It suits people who value UV protection but still want airflow, such as families who use outdoor play areas, BBQ spaces, or seating areas on hot days.

Those who should look elsewhere include buyers who need motorized retractable shade, fully waterproof canopies, or extremely heavy-duty hardware for frequent high-wind conditions; in those cases a different specialized awning or a professional installation would be more appropriate.

Pros & Cons

Pros

• Blocks up to 95% of UV rays while remaining breathable for cooling comfort.
• Well-made single-piece HDPE fabric with reinforced edges offers solid durability.
• Includes ropes for immediate installation and offers custom sizes for tricky spaces.
• Backed by a 5 year warranty and made in the USA, giving added confidence in quality.

Cons

• Included rope is serviceable but customers may want to buy stainless steel accessories for long-term durability in exposed installations.
• Not fully waterproof, so it will not provide dry shelter in heavy rain.

Specifications

Material	High density polyethylene (185 GSM)
Shape & Size	Rectangle, 17' x 18'
UV Block Rate	Up to 95%
Accessories Included	Rope x 3 PCS (triangle) or 4 PCS (square/right triangle)
Made	USA
Warranty	5 years under normal use and weather

Our Verdict

The SUNNY GUARD 17'x18' rectangular shade sail is a strong value for anyone seeking effective UV protection and improved outdoor comfort without a major installation. Its breathable HDPE fabric, reinforced construction and customizable sizing make it versatile for patios, decks and poolside areas; upgrade to stainless steel fittings if you need the most durable attachment hardware for exposed sites.

Frequently Asked Questions

Will this sail block sunlight and reduce temperature under it?
The fabric blocks up to 95% of UV and, because it is breathable, it reduces heat buildup by allowing air to pass through, improving comfort on hot days.

Are installation accessories included?
Basic ropes are included (3 or 4 pieces depending on shape), but SUNNY GUARD recommends purchasing stainless steel hardware for a longer-lasting installation.

Can the sail be custom sized?
Yes, SUNNY GUARD offers custom sizing to fit specific outdoor layouts and provides customer support for measurement guidance.