ShadeMart 8 ft x 20 ft Blue Waterproof Shade Sail - Cool, Water

In this review the ShadeMart 8 ft x 20 ft Blue Waterproof Shade Sail is evaluated as a practical, budget-friendly canopy for patios, carports and backyard seating areas. The single biggest reason to buy is its combination of sturdy construction and effective sun protection: the polyester fabric with PU waterproof coating offers both water resistance and up to 95% UV blockage, cutting surface temperatures noticeably compared with no shade. It is best for homeowners who need a simple, removable shelter that is compact to store and straightforward to tension into place.

Key Features

• Waterproof fabric: The polyester with PU coating resists light rain and prevents wind-driven moisture from passing through, keeping covered spaces drier than a plain fabric sail.
• High UV protection: The shade cloth blocks up to 95% of harmful UV, which helps reduce the temperature on patios and protect furniture from sun damage.
• Reinforced edges: Curved edges finished with dual-layer white webbing strengthen the perimeter and reduce the chance of fraying at attachment points.
• Stainless steel corners: D rings at each corner are attached to the dual webbing to provide secure anchor points for tensioned installation.
• Custom sizing available: The product can be ordered in custom sizes, with typical processing taking about two business days, useful for irregular or specific installations.
• Easy to install: The sail is compact and light enough for one or two people to position, though it requires proper tension to avoid sagging in rain.

Who It's For

The ShadeMart sail suits homeowners and renters who want an affordable, removable canopy for a patio, deck, carport or small backyard area. It is especially useful for those looking to lower surface temperatures and add sun protection without a permanent structure or heavy tools.

It is not ideal for locations that face frequent storms or heavy, pooling rain where a rigid roof is needed; also buyers should plan to purchase an installation kit or hardware separately to ensure proper tensioning and secure attachment.

Pros & Cons

Pros

• Durable build quality with strong stitching and reinforced corners that customers regularly note as reliable.
• Effective shade and temperature reduction, often making patios noticeably cooler in direct sun.
• Compact, easy to install or remove for seasonal use and storage.
• Custom size option and quick processing for tailored installations.

Cons

• Only withstands light rain; water accumulation during heavy storms can cause sagging or tearing if not properly tensioned.
• Installation kit is not included, so buyers must obtain compatible hardware to get maximum tension and performance.

Specifications

Brand	ShadeMart
Size	8 ft x 20 ft (rectangle); custom sizes available
Fabric	Polyester with PU waterproof coating
UV Protection	Up to 95% UV blockage
Edges & Corners	Curved edges with dual white webbing and stainless steel D rings
Installation	Requires high tension; installation kit sold separately
Processing	Usually takes 2 business days for customized sizes

Our Verdict

The ShadeMart 8 ft x 20 ft waterproof shade sail is a sensible choice for anyone wanting an affordable, effective canopy for sun protection and modest rain resistance. It delivers solid value for money with reinforced construction and strong UV blockage, though buyers should plan for proper tensioning and hardware to avoid water pooling in heavy weather.

Frequently Asked Questions

Can this sail handle rain?
The sail is water resistant thanks to a PU coating and will withstand light rain, but it is not a substitute for a rigid roof and can suffer from water accumulation during storms if not properly tensioned.

Is hardware included?
Installation hardware is not included; ShadeMart recommends using a separate hardware kit for secure, quick installation.

How long for custom sizes?
Customized sizes are available and usually processed in about two business days before shipping.