Sun Shade Sail 16ft x 20ft Triangle UV Block Sunshade - Cooling

In this review the SUNNY GUARD Sun Shade Sail is evaluated as a straightforward, durable shade solution for homeowners and renters who need reliable sun protection without a permanent structure. The bottom line: this breathable high density polyethylene sail blocks up to 95% of UV rays and reduces direct sunlight, making it a practical choice for patios, decks, pools and RV awnings where cooling and sun safety are priorities.

Key Features

• UV Protection: Blocks up to 95% of harmful UV rays to protect skin and outdoor furnishings during peak sun hours.
• Breathable Cooling Fabric: The 185GSM high density polyethylene lets air and some water pass through to keep the shaded area cooler than solid canopies.
• Simple Installation Guidance: Includes measurement guidance and a recommended 0.5-1 ft margin for fixing points to make mounting and tensioning easier.
• Customizable Size: The brand offers custom sizing so the sail can be tailored to odd-shaped patios, pergolas or poolside layouts.
• Accessory Package: Ships with 3-4 pieces of thickened rope for initial setup, with an option to buy specialized stainless steel hardware for longer durability.
• Warranty and Support: Made in USA and covered by a 5 year warranty under normal use, with customer support available for questions.

Who It's For

This shade sail is best for homeowners, renters and outdoor facility owners who want an affordable, flexible shade solution for a backyard, patio, pool area, BBQ spot or RV awning. It fits people who value UV protection and air circulation more than a fully waterproof cover.

Those looking for a permanently mounted, fully waterproof canopy or a motorized retractable awning should consider other options; likewise anyone unwilling to add stainless steel hardware for long-term tensioning may find periodic re-tensioning necessary.

Pros & Cons

Pros

• Effective sun and UV blocking, reducing heat and sun exposure beneath the sail.
• Breathable design improves airflow so shaded areas feel noticeably cooler than under solid tarps.
• Custom sizing and included ropes make it adaptable to many outdoor spaces and easy to get started with installation.
• Durable construction and a 5 year warranty provide confidence for long-term outdoor use.

Cons

• Not fully waterproof; light rain can pass through the breathable fabric rather than shed away.
• For best long-term performance, specialized stainless steel mounting hardware is recommended but sold separately.

Specifications

Material	High density polyethylene (185GSM)
UV Block Rate	Up to 95%
Included Accessories	Rope x 3 PCS (triangle)
Shape / Size	Triangle, nominal 16ft x 20ft x 20ft (custom sizes available)
Made	Made in USA
Warranty	5 years under normal use and weather

Our Verdict

The SUNNY GUARD Sun Shade Sail is a sensible, value-minded option for people who need strong UV protection and improved comfort in outdoor living areas without permanent construction. Its breathable HDPE fabric, custom sizing and included ropes make it versatile and easy to fit into patios, decks and poolside setups, though buyers should plan to invest in stainless hardware if they want hassle-free, long-term mounting.

Frequently Asked Questions

Is this sail waterproof?
The fabric is breathable and allows some water to pass through, so it is not designed to be fully waterproof.

Does it come with mounting hardware?
The sail includes 3-4 pieces of thickened rope for setup, while specialized stainless steel mounting accessories are recommended and available separately.

Can I order a nonstandard size?
Yes, SUNNY GUARD offers custom sized sails to better fit irregular outdoor spaces.