ShadeMart 15ft x 17ft Black Rectangle Sun Shade Sail - Breathable UV

In this review of the ShadeMart 15' x 17' Black Rectangle Sun Shade Sail, the bottom line is simple: it is for homeowners and DIY installers who need an affordable, heavy-duty fabric canopy that cuts heat and UV without trapping moisture. The reviewer found the woven HDPE material and stainless steel corner D rings to deliver solid build quality, and the cloth's water-permeable design makes it useful in variable weather. If you want a decorative, practical sun screen for a patio, carport or pool equipment area, this shade sail is worth considering.

Key Features

• Woven HDPE fabric: durable, tightly woven polyethylene blocks up to 95% of harmful UV rays while remaining breathable for cooler shaded areas.
• Stainless steel D rings: reinforced corner hardware attached to heavy duty webbing provides secure anchor points for long-term outdoor use.
• Water and air permeable: the sail allows rainwater and airflow through the fabric so it does not collect water and reduces wind pressure on anchors.
• Temperature reduction: by blocking direct sunlight it commonly lowers ambient temperatures by roughly 10 to 15 degrees in the shaded area.
• Custom sizing available: a range of sizes can be ordered to fit patios, carports, pergolas or irregular spaces when measured carefully.
• Stylish rectangle shape: simple geometry and multiple color choices let the sail integrate into existing outdoor design as both shade and decor.

Who It's For

The ShadeMart 15' x 17' sail is aimed at homeowners, renters with permission to anchor hardware, and small businesses that need a cost-effective canopy for patios, carports, pools or equipment covers. It suits people who prefer a breathable shade that reduces heat and provides UV protection without being fully waterproof.

Those who need a fully waterproof roof, a rigid structure, or professional permanent roofing should look elsewhere; this product is a fabric sail intended for seasonal or semi-permanent outdoor shading rather than building-grade waterproofing.

Pros & Cons

Pros

• Good material strength and stitching, with customers noting durable construction.
• Effective shade and UV protection, reportedly blocking up to 95% of sunlight and lowering temperatures noticeably.
• Easy to install with the right hardware; many users find it better value than building permanent covers.
• Breathable design prevents water pooling and improves airflow compared with solid canopies.

Cons

• Not waterproof, so it will not keep heavy rain out and is unsuitable when a dry covered area is required.
• Size can vary slightly due to manual measurement, so careful measuring and ordering are required for custom fits.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	15' x 17'
Material	Woven HDPE (High Density Polyethylene)
Corner hardware	Stainless steel D rings on heavy duty webbing
Functionality	Water and air permeable; blocks up to 95% UV

Our Verdict

The ShadeMart 15' x 17' rectangle sun shade sail is a practical, good-value choice for anyone who wants strong UV protection and cooler outdoor spaces without a permanent roof. Its woven HDPE fabric and reinforced corners make it durable for patios, carports, pools and equipment covers, but buyers should accept that it is not waterproof and must be measured carefully for custom installations.

Frequently Asked Questions

Is this sail waterproof?
Answer. No, this style is water permeable and allows water to pass through; it is not intended as a waterproof cover.

Can it be attached to trees or poles?
Answer. Yes, with proper hardware kits it can be anchored to poles, trees, walls or roofs as needed.

How much UV protection does it provide?
Answer. The woven HDPE fabric blocks up to 95% of harmful UV rays while remaining breathable.