9ft x 17ft Waterproof Shade Sail Rectangle - Strong Sun & Rain Canopy

In this review the ShadeMart 9' x 17' waterproof shade sail is judged as a practical, budget-friendly canopy for homeowners who need reliable sun protection with some rain resistance. The single biggest reason to buy is its combination of sturdy construction and high sun blockage: the fabric blocks up to 95% of harmful UV and cuts surface temperature by as much as 15 degrees compared with no shade, making it useful for patios, carports, and garden seating areas where direct sun is the primary concern.

Key Features

• Waterproof polyester with PU coating: the coated fabric sheds light rain so the shaded area stays drier than with an ordinary cloth sail.
• 95% UV blockage: the material blocks most harmful rays, reducing fading and making outdoor spaces more comfortable.
• Reinforced edges and stainless D rings: dual-layer webbing at the edges and metal corner rings add strength where the sail is tensioned.
• Custom size available: ShadeMart offers custom sizing with a typical two business day preparation time for nonstandard dimensions.
• Easy to install when tensioned properly: maintaining maximum tension during installation prevents sagging and helps avoid water pooling on rainy days.
• Warranty and returns: ShadeMart provides return or replacement support if the product does not meet expectations.

Who It's For

This shade sail is best for homeowners and renters who want a simple canopy solution for a patio, small carport, balcony, or backyard seating area and who value strong UV protection more than full stormproofing. It suits DIY installers who can supply proper mounting hardware and are comfortable creating strong tension to avoid sagging.

Those who need full waterproofing for heavy storms or permanent roof-like coverage should look elsewhere, since the sail is designed to withstand light rain but can suffer from water accumulation in severe weather or when tension is inadequate.

Pros & Cons

Pros

• High UV protection that noticeably reduces temperature and sun exposure on covered surfaces.
• Sturdy construction with reinforced edges and stainless steel D rings for reliable mounting points.
• Good value: customers report solid build quality and useful shade for the price.
• Custom sizing option and a quick turnaround for nonstandard orders.

Cons

• Not fully stormproof; it can withstand light rain but is vulnerable to water pooling and tearing in heavy weather.
• Installation hardware is not included, so buyers must purchase compatible kits or use separate fittings.

Specifications

Product type	Rectangle waterproof shade sail
Size	9' x 17'
Material	Polyester with PU waterproof coating
UV protection	Up to 95% UV blockage
Edges	Curved edges with dual-layer white webbing
Corners	Stainless steel D rings attached to dual webbing
Installation kit	Not included (Shademart hardware kit recommended)

Our Verdict

The ShadeMart 9' x 17' waterproof shade sail is a practical, cost-effective choice for anyone seeking strong sun protection and light rain resistance for patios and small carports. It offers reinforced construction, good temperature reduction, and a custom size option, but buyers should plan for separate mounting hardware and avoid relying on it as a stormproof roof.

Frequently Asked Questions

Is this sail fully waterproof?
The PU coating sheds light rain but the sail is not intended as a permanent, stormproof roof and can pool or tear in heavy weather.

Does the installation kit come with the sail?
No, installation hardware is not included; ShadeMart recommends using their hardware kit or compatible fittings and ensuring high tension during installation.

Can I order a different size?
Yes, customized sizes are available and usually take two business days to prepare.