11 ft x 14 ft x 17.8 ft Right Triangle Sun Shade Sail - Durable UV

In this review of the 11 ft x 14 ft x 17.8 ft right triangle sun shade sail, the bottom line is simple: this is a practical, heavy-duty option for anyone needing wide, angled shade that resists sagging and blocks most UV. The reviewer found it particularly well suited to backyards, poolside areas and carports where long-term sun protection and airflow matter. Construction from virgin polyethylene gives the sail strength without excess weight, and the curved-edge design maintains tension for a neat, flat appearance once installed.

Key Features

• Corner-to-corner sizing: Measurements are taken from corner to corner so buyers can plan anchor points more accurately for triangular layouts.
• Curved edges: Edges are slightly curved using a calculated radian to prevent sagging in the middle and keep a taut, finished look.
• Material strength: Made from virgin polyethylene, the fabric offers strong tensile strength while remaining lightweight for easier mounting.
• High UV blockage: Provides up to 95% UV blockage and about 90% visibility reduction, improving cooling and sun protection for outdoor spaces.
• All-weather utility: The sail promotes ventilation in summer, helps reduce frost risk at night, and is slightly rainproof during light showers.
• Custom orders and warranty: Available to be customized to fit unusual layouts and backed by a 3-Year Limited Warranty for added confidence.

Who It's For

The shade sail is best for homeowners and small-property managers who need a durable triangular canopy for a backyard, pool area, patio or carport and who value a tidy, tensioned appearance after installation. It suits people who want strong sun protection without a heavy permanent structure and who may anchor the sail between trees, posts, or house fixtures.

Those who need a fully waterproof roof, a rigid pergola replacement, or a very small custom shape should look elsewhere; this sail is slightly rainproof but not a substitute for a hard shelter or for heavy, sustained downpours. Installers who cannot access secure anchor points may also prefer a different shade solution.

Pros & Cons

Pros

• Effective sun protection and cooling thanks to up to 95% UV blockage and substantial visibility reduction.
• Curved edges and corner-to-corner measurement reduce mid-span sag for a professional look.
• Lightweight virgin polyethylene construction balances strength and ease of handling during installation.
• Customizable sizing options and a 3-Year Limited Warranty add versatility and reassurance.

Cons

• Hardware included received mixed feedback, so buyers should be prepared to source stronger fittings if mounting points are exposed to heavy loads.
• Only slightly rainproof, so it is not suitable as a full waterproof shelter in heavy rain.

Specifications

Shape	Right triangle
Size (corner to corner)	11 ft x 14 ft x 17.8 ft
Color	Gray
Material	Virgin polyethylene
UV blockage	Up to 95%
Visibility blockage	Approximately 90%
Warranty	3-Year Limited Warranty

Our Verdict

The 11 ft x 14 ft x 17.8 ft right triangle sun shade sail is a good-value choice for homeowners who want robust sun protection with a neat, tensioned profile. Its strong polyethylene fabric, curved-edge design to prevent sag, and high UV blockage make it especially useful around pools, patios and driveways, though buyers should confirm anchor hardware quality if they expect heavy strain.

Frequently Asked Questions

Will this sail keep a pool area noticeably cooler?
Yes; customers report reduced heat and improved comfort because the fabric blocks up to 95% of UV and allows ventilation beneath the canopy.

Is the sail waterproof?
It is slightly rainproof for light showers but is not fully waterproof and should not be relied on as a rainproof shelter in heavy storms.

Are custom sizes available?
Yes; all products from this line can be customized to fit nonstandard layouts, and the manufacturer offers a 3-Year Limited Warranty.