ColourTree Custom Size 4 ft x 20 ft Blue Waterproof Shade Sail

In this review the ColourTree 4 ft x 20 ft blue waterproof shade sail is evaluated for homeowners and small businesses seeking a heavy-duty outdoor canopy. Our review highlights the sail's most compelling attribute: robust, waterproof construction that still blocks most UV rays. Built from 220 GSM pure virgin polyethylene with a waterproof coating and reinforced stitching, the sail works well as a patio cover, carport shelter, or yard awning where lasting protection from sun and rain is needed.

Key Features

• 220 GSM material: The dense pure virgin polyethylene fabric provides a substantial barrier to sunlight and gives the sail a durable feel that resists sagging.
• Waterproof coating: A dedicated waterproof layer prevents water penetration so the sail keeps areas dry during light to moderate rain.
• 316 stainless steel D-rings: Premium grade D-rings at each corner simplify installation and hold up to tension without rusting.
• Double reinforced stitching: All edges are finished with double stitching to reduce the risk of tear and to support the D-rings under load.
• UPF protection: The fabric formulation blocks a high percentage of UV exposure while allowing airflow to keep covered surfaces cooler.

Who It's For

The sail suits homeowners who want a practical, heavy-duty canopy for a narrow, long area such as a walkway, carport, or poolside side awning. It is also appropriate for small businesses needing temporary outdoor cover where easy installation and corrosion resistance matter.

People who need a perfectly sized or shaped sail for complex custom geometries should verify measurements carefully before ordering; this product is best for straightforward rectangular coverage rather than intricate multi-panel projects.

Pros & Cons

Pros

• High quality 220 GSM virgin polyethylene feels robust and blocks sun effectively.
• Waterproof coating keeps rain out and maintains dry space underneath.
• 316 stainless steel D-rings and double-stitched edges deliver durable, corrosion-resistant attachment points.

Cons

• The rectangular custom size is excellent for simple layouts but may require precise planning for irregular installation locations.

Specifications

Our Verdict

The ColourTree 4 ft x 20 ft waterproof shade sail is a practical, value-forward choice for anyone needing reliable sun and rain protection in a long, narrow area. With a sturdy 220 GSM fabric, waterproof coating, and corrosion-resistant D-rings, it delivers durable performance at a reasonable price, making it a sound buy for patios, carports, and yard shelters.

Frequently Asked Questions

Is this sail fully waterproof?
The sail has a waterproof coating that prevents water from passing through and is effective in light to moderate rain.

What hardware is included for installation?
Each corner includes a premium grade 316 stainless steel D-ring; additional mounting hardware is not specified and may be sourced separately.

Does the fabric block UV?
The 220 GSM pure virgin polyethylene is treated for UV resistance and blocks a high percentage of sunlight while allowing airflow.