Cool Area Sun Shade Sail Right Triangle 20x20x28.3 ft - Patio Shade

In this review of the Cool Area Sun Shade Sail 20x20x28.3 FT Right Triangle, the bottom line is simple: it is a practical, budget-friendly option for anyone who needs a large, single-piece triangle shade for a patio, deck, or pool area. The biggest reason to buy is its unspliced, whole-fabric construction that improves appearance and provides consistent shading performance. Installers should note the recommended 0.5-1 ft allowance for attachment hardware and a material tolerance of about 4 in due to the fabric elasticity.

Key Features

• No splicing gap: The sail is made from a single piece of fabric so it looks cleaner and delivers more uniform sun coverage than spliced sails.
• High density HDPE fabric: Constructed from 100% new HDPE with up to 95% UV protection and an 85%-90% shading rate to reduce direct sun exposure.
• Durable corner hardware: Each corner has rust-proof stainless steel D-rings for straightforward attachment to posts, fences, or anchors.
• Reinforced edges: All edges feature reinforced stitched seams to resist fraying and help the sail keep its shape over time.
• Size tolerance guidance: The manufacturer advises leaving 0.5-1 ft clearance for accessories and notes a 4 in tolerance from fabric elasticity, which helps with planning mounting points.
• Versatile applications: Intended for patios, pergolas, decks, pools, carports, and other outdoor spaces where broad shade is needed.

Who It's For

This Cool Area triangle sun shade is best for homeowners or renters who need a large, single-piece shade sail for a patio, deck, backyard, or poolside area and who value a neat, seam-free look. It works well for DIY installers who can allow the suggested clearance for hardware and who want the benefit of stainless steel D-rings and reinforced seams.

It may be less suitable for someone who needs a custom-shaped fitted cover with exact, unforgiving dimensions or for someone expecting heavy, constant storm exposure; customers report good wind performance in many cases, but longevity can vary with severe weather or improper installation.

Pros & Cons

Pros

• Single-piece construction gives a cleaner appearance and consistent shade.
• High density HDPE material offers strong UV protection and a high shading rate.
• Stainless steel D-rings and reinforced seams simplify installation and improve durability.
• Works across many outdoor settings from patios to carports.

Cons

• Fabric elasticity means a tolerance of about 4 in, requiring planning and extra clearance for accessories.
• Some customers report mixed long-term durability under very high winds or harsh conditions.

Specifications

Shape	Right triangle
Size	20 x 20 x 28.3 ft
Material	High density 100% new HDPE fabric
UV Protection	Up to 95% UV protection
Shading Rate	85%-90% shading
Corner Hardware	Rust-proof stainless steel D-rings
Edge Construction	Reinforced stitched seams

Our Verdict

The Cool Area 20x20x28.3 ft triangle shade sail is a solid value for anyone wanting a large, unspliced shade solution that looks tidy and blocks a high percentage of UV. It is particularly worthwhile for outdoor living areas where appearance and consistent coverage matter, provided installers account for the advised 0.5-1 ft clearance and the fabric tolerance.

Frequently Asked Questions

How much clearance is needed for installation?
Leave about 0.5-1 ft space to accommodate hardware such as turnbuckles and hooks; the fabric has about a 4 in elasticity tolerance.

Will this sail resist fading?
Customers note the color holds up well in sunlight, though long-term fading depends on exposure and conditions.

Is it suitable for windy areas?
Many users report it performs well in wind, but results vary and very severe conditions may shorten lifespan.