Sand Rectangle Sun Shade Sail Canopy 17ft x 20ft - 95% UV Blockage

In this review of the Sand Rectangle Sun Shade Sail Canopy, the bottom line is simple: if you need a heavy duty outdoor shade that blocks sunlight and withstands prolonged sun exposure, this 17ft x 20ft canopy is a solid option. The reviewer finds it especially useful for patios, decks, and poolside areas because it combines a dense 185GSM polyethylene fabric with reinforced stitched seams and stainless steel D-rings, which together deliver strong sun protection and straightforward installation for typical backyard uses.

Key Features

• 185GSM high density fabric: The thick polyethylene weave blocks up to 95% of harmful UV while remaining breathable so wind and water pass through.
• Reinforced construction: Strong stitched seams and durable stainless steel D-rings improve longevity and make tie-in points more reliable under tension.
• Breathable, water-shedding design: The woven knitted material lets moisture and breeze escape, preventing pooling water and reducing wind load.
• Made in USA and customizable: Standard 17ft x 20ft size is ready to use, while custom sizes are available for irregular or straight-edge installations.
• Hardware ready: Sturdy polyethylene ropes are included, making it easier to secure the sail to posts, hooks, or existing structures.

Who It's For

This shade sail is best for homeowners and renters who want a durable, high-coverage solution for patios, gardens, driveways, or pool areas where UV protection and airflow matter. It suits people who prefer a fabric that resists fading and gives privacy while keeping the space cooler under strong sun.

People who need permanent, heavily loaded structures or who cannot access secure mounting points should look elsewhere, as shade sails rely on proper anchoring and some planning for tension and edge curvature. Also, those expecting a fully waterproof canopy should note the fabric is breathable rather than fully waterproof.

Pros & Cons

Pros

• Blocks up to 95% of UV and reduces sun exposure for outdoor living areas.
• Heavy duty 185GSM fabric with reinforced seams and stainless steel D-rings for dependable anchor points.
• Breathable construction prevents water pooling and lets breeze through for cooler shade.
• Made in USA with custom size options and included ropes for installation.

Cons

• Durability feedback is mixed; some users report long life while others experienced tearing after extended exposure.
• Not intended as a fully waterproof awning, so heavy, prolonged rain may pass through or require additional waterproofing solutions.

Specifications

Product type	Rectangle sun shade sail canopy
Size	17ft x 20ft
Fabric	100% high density 185GSM polyethylene
UV blockage	Up to 95%
Hardware	Stainless steel D-rings and polyethylene ropes included
Made	Made in USA (custom sizes available)

Our Verdict

For most homeowners seeking a breathable, high-coverage sunshade that reduces UV exposure and holds up to regular outdoor use, this 17ft x 20ft shade sail offers good value. It combines a dense 185GSM fabric, reinforced fittings, and included ropes for easier installation; however, buyers should secure strong anchor points and be aware mixed reports about long-term tearing under extreme conditions.

Frequently Asked Questions

How do I choose the right size?
Measure from corner to corner and leave allowance for edge curvature so the sail can be tensioned tight; contact for a custom straight-edge order if needed.

Is this shade sail waterproof?
The fabric is breathable and allows water to pass through to avoid pooling; it is not marketed as fully waterproof.

What mounting hardware is required?
Stainless steel D-rings and polyethylene ropes are provided, but secure anchor points, hooks or turnbuckles recommended for long-term installations.