12 ft x 17 ft x 20.8 ft Brown Right Triangle Sun Shade Sail - Durable

In this review of the 12 ft x 17 ft x 20.8 ft Brown Right Triangle Sun Shade Sail from SHADESPEARE, the bottom line is clear: this is a practical shade solution for homeowners who need broad UV protection and a tailored fit for irregular outdoor spaces. The reviewer found the sail's corner-to-corner measurement and slightly curved edges deliver a taut, professional look that resists middle sagging, while the virgin polyethylene fabric provides solid sun and visibility blockage without weighing down mounting points.

Key Features

• Corner-to-corner measurement: Ensures you order sizing that reflects the true span between attachment points for accurate coverage.
• Curved edge design: Precisely calculated radian curvature prevents sagging in the middle for a clean, tensioned appearance and better water runoff.
• Virgin polyethylene fabric: Balances strong tensile strength with low weight so the sail is durable yet easier to handle during installation.
• High UV and visibility blockage: Provides up to 95% UV blockage and about 90% visibility reduction to keep spaces cooler and protect skin and furnishings.
• Seasonal performance: Offers summer shading and ventilation, anti-frost benefits at night, and light rain resistance when needed.
• Customizable and warranted: Available for custom orders and backed by a 3-Year Limited Warranty for added peace of mind.

Who It's For

This shade sail is best suited to homeowners with patios, pools, driveways, carports or gardens who need a large, triangular coverage area and a durable fabric that blocks the sun effectively. It is also a good pick for people who want a neat, tensioned appearance rather than a loose sagging shade cloth.

People who should look elsewhere include those who require full waterproof performance in heavy rain or who need a rigid, permanent structure; this product is slightly rainproof but not a replacement for a solid roof or fully waterproof canopy.

Pros & Cons

Pros

• Strong fabric with good tensile strength gives lasting durability and reliable UV protection.
• Curved edges and corner-to-corner sizing deliver a taut installation and attractive look.
• Lightweight material and included hardware (noted mixed by customers) make installation manageable for two people.
• Custom order option and a 3-Year Limited Warranty add flexibility and reassurance.

Cons

• Hardware included receives mixed reviews, so buyers may want to confirm mounting gear suits their setup or purchase heavier-duty fittings separately.
• Only slightly rainproof, so it is not ideal as a primary solution where heavy, persistent rain is common.

Specifications

Shape	Right triangle
Measured	Corner to corner
Size	12 ft x 17 ft x 20.8 ft
Material	Virgin polyethylene fabric
UV blockage	Up to 95% UV blockage
Visibility reduction	About 90%
Warranty	3-Year Limited Warranty

Our Verdict

The 12 ft x 17 ft x 20.8 ft brown right triangle shade sail is a sensible buy for anyone wanting reliable sun protection, a neat tensioned appearance, and the option to customize. It delivers strong UV blockage and durable construction at good value, but buyers should plan mount hardware to suit their anchors and not expect full waterproofing in heavy storms.

Frequently Asked Questions

Will this shade sail block most of the sun?
Yes, the fabric provides up to 95% UV blockage and around 90% visibility reduction to significantly cut direct sun and heat.

Is the sail waterproof for heavy rain?
No, it is only slightly rainproof and intended mainly for shading and light rain; it is not a full waterproof roof.

Does it come with mounting hardware?
Some hardware is included, but customer feedback is mixed so verify the fittings match your installation or consider heavier hardware if needed.