Cool Area Sun Shade Sail Triangle 11x16x19.4 ft - Turquoise Blue

In this review of the Cool Area Sun Shade Sail triangle, the focus is on homeowners and renters who need reliable sun protection for patios, decks, or poolside areas; the single biggest reason to buy is its solid, single-piece HDPE fabric that delivers strong UV blocking and a clean, seam-free look. Installation is straightforward for users who plan ahead and leave 0.5-1 ft of extra space for attachment hardware, and the sail's reinforced edges and stainless steel D-rings make it a practical choice for seasonal outdoor shade without a lot of fuss.

Key Features

• Whole fabric construction: The triangle is made from one continuous piece of HDPE fabric so there are no splicing seams, which improves both appearance and consistent shading performance.
• High UV protection: The high density 100% new HDPE material provides about 95% UV protection and an 85%-90% shading rate to noticeably reduce sun exposure.
• Reinforced durability: All edges are constructed with reinforced stitched seams to resist fraying and help the sail keep its shape over time.
• Rust proof fittings: Durable stainless steel D-rings at each corner simplify attachment to anchors, fences, posts or house fixtures.
• Installation tolerance: The fabric has elasticity and a tolerance of roughly 4 in, so leaving 0.5-1 ft per corner for accessories yields the best fit.

Who It's For

This shade sail is best for homeowners, renters with permission to attach anchors, and anyone looking to add a large, attractive shade area over patios, pergolas, pools, balconies or carports. Small landscaping projects and backyard seating areas benefit from the 85%-90% shading rate and the durable, seam-free design.

Those who need a permanently mounted shade structure in extreme weather or who cannot leave room for installation hardware should look elsewhere; heavy long-term exposure to severe storms may require a purpose-built canopy or hard cover rather than a tensioned sail.

Pros & Cons

Pros

• Solid single-piece HDPE fabric offers a clean look and consistent shading performance.
• High UV protection with an 85%-90% shading rate keeps outdoor spaces noticeably cooler.
• Reinforced stitched seams and stainless steel D-rings provide practical durability and easier installation.
• Works well across multiple outdoor settings including patios, pools and carports.

Cons

• The fabric has about a 4 in tolerance and requires leaving 0.5-1 ft per corner for hardware, which needs planning when measuring.
• Some users report mixed long-term durability in severe conditions, so extra care is advisable in high-wind areas.

Specifications

Shape	Right triangle
Size	11 x 16 x 19.4 ft (custom size indicated)
Material	High density 100% new HDPE fabric
UV Protection	Approx. 95% UV protection
Shading Rate	About 85% - 90%
Hardware	Rust proof stainless steel D-rings at each corner
Installation Tolerance	Fabric elasticity with approx. 4 in tolerance; leave 0.5-1 ft for accessories

Our Verdict

The Cool Area 11 x 16 x 19.4 ft triangle shade sail is a practical, well-constructed option for anyone who needs strong sun protection with a neat, seam-free appearance; its high-density HDPE fabric and reinforced seams deliver good value for seasonal outdoor shading, though users should measure carefully and remove or secure it in severe weather for longest life.

Frequently Asked Questions

How much space should I leave for installation?
Leave about 0.5-1 ft at each corner for accessories because the fabric is elastic and has a tolerance of roughly 4 in.

Will the color fade in sunlight?
Customers report the color holds up well in direct sunlight, but like most fabrics some fading can occur over very long exposure.

Is the sail easy to attach?
Yes; stainless steel D-rings at each corner and reinforced seams make attachment to posts, fences or anchors straightforward for most DIYers.