SUNNY GUARD Sun Shade Sail Triangle 11ft x 18ft x 21.1ft - Durable UV

In this review of the SUNNY GUARD triangle sun shade sail, the bottom line is simple: if you need a roomy, breathable shade solution for a backyard, patio, poolside or RV awning, this sail delivers strong sun protection without the bulk of a permanent structure. The reviewer found it especially useful for hot, sunny climates because the high density polyethylene fabric blocks up to 95% of harmful UV rays while remaining porous enough to allow airflow and drainage. Installation is straightforward for anyone comfortable measuring anchor points and adding hardware, and the option for custom sizing makes it a practical choice for irregular spaces.

Key Features

• UV Protection: The HDPE fabric blocks up to 95% of harmful UV rays, keeping covered areas noticeably cooler and protecting skin and furnishings from sun damage.
• Breathable Cooling: The woven material allows air to pass through so the shaded area stays ventilated rather than trapping heat under a solid canopy.
• Durable Construction: Made from 100% brand new high density polyethylene with reinforced edges, the sail resists wear and holds up well during storms and hot summers.
• Customizable Size: SUNNY GUARD offers custom sizing to fit odd-shaped patios, pergolas, or RV setups, which helps achieve a neat, tailored installation.
• Included Accessories: The package includes 3 or 4 pieces of thickened rope depending on shape, enough to get started and test placement before buying heavier stainless fittings.
• Made in USA and Warranty: The product is made in the USA and backed by a five year warranty under normal use and weather, offering reassurance on longevity.

Who It's For

This sail is a good fit for homeowners who want an affordable, low-profile shading option for a backyard, deck, patio, pool area or BBQ spot and who value airflow and UV protection over complete waterproofing. It also suits RV owners and renters who need a temporary yet sturdy shade solution that can be removed seasonally.

Those who should look elsewhere include buyers seeking a fully waterproof canopy or an automated, retractable system; the SUNNY GUARD sail is breathable and designed to pass water through rather than shed heavy rain like a solid tarp. Also, people unwilling to install proper anchor hardware should consider pre-built structures instead.

Pros & Cons

Pros

• High UV block rate delivers effective sun protection and cooling for covered zones.
• Breathable HDPE fabric reduces heat buildup while letting rainwater and air pass through.
• Custom sizing and sturdy construction make it versatile for many outdoor setups.
• Includes starter ropes and offers recommended stainless steel accessories for long-term durability.

Cons

• Not fully waterproof, so it will not provide complete rain protection during heavy storms.
• Proper performance depends on correct measurement and secure hardware, which may require extra purchases or professional help.

Specifications

Shape	Triangle
Dimensions	11 ft x 18 ft x 21.1 ft
Material	High density polyethylene (185GSM)
UV Block Rate	Up to 95%
Accessories Included	3 ropes (triangle)
Made	USA
Warranty	5 years under normal use

Our Verdict

The SUNNY GUARD triangle sun shade sail is a practical, value-oriented option for anyone wanting strong sun protection and good airflow without a permanent build. It is best for patios, pools, decks and RV awnings where UV blocking and ventilation are priorities, and the option for custom sizes plus a five year warranty makes it a sensible long-term choice for most outdoor shade needs.

Frequently Asked Questions

Will this shade sail block most of the sun?
The HDPE fabric blocks up to 95% of harmful UV rays, so it provides substantial sun protection and noticeable cooling in shaded areas.

Is it waterproof?
No, the material is breathable and allows water to pass through rather than acting as a fully waterproof tarp; it is designed to reduce heat and sun exposure.

Are installation accessories included?
Yes, the triangle sail includes 3 thickened ropes to start, but for long-term durability SUNNY GUARD recommends purchasing stainless steel sunshade fittings separately.