ShadeMart 9ft x 11ft Red Rectangle Sun Shade Sail - UPF50 Protection

In this review the ShadeMart 9' x 11' Red Rectangle Sun Shade Sail is evaluated for homeowners and small businesses who need reliable sun protection without a permanent structure. The bottom line: this woven HDPE rectangle sail is a sensible, low-maintenance way to cut heat and UV exposure over patios, carports, pergolas or pool areas. Its main selling point is strong UV protection-the fabric blocks up to 95% of harmful rays while remaining breathable and water permeable, so it lowers temperatures without trapping moisture.

Key Features

• Material: Woven HDPE fabric provides a durable, fade-resistant surface that stands up to sun exposure while remaining lightweight enough for easy handling.
• UV Blocking: Blocks up to 95% of harmful UV rays, helping to reduce surface and air temperatures beneath the sail by approximately 10 to 15 degrees.
• Breathability: Water permeable and breathable construction allows rain and air to pass through, preventing pooling and reducing wind load on the fabric.
• Hardware: Stainless steel D rings and heavy duty white webbing at corners give secure attachment points for common mounting kits and anchors.
• Custom Sizing: Available in multiple custom sizes so customers can order a sail that better fits patios, carports, or other outdoor spaces when standard sizes are unsuitable.
• Decorative Use: Rectangle styling and color options let the sail serve as both functional shade and an aesthetic addition to existing outdoor design.

Who It's For

This shade sail is best for homeowners, renters, and small property owners who want affordable sun protection over a modest area such as a patio, pergola, carport, or above a pool without building a fixed roof. Its breathable HDPE fabric is useful where occasional rain should pass through instead of collecting on the canopy.

It is less suitable for someone who needs a fully waterproof cover or an exact precision-cut architectural installation; the product notes that sizes may vary slightly from manual measurement and the style is not waterproof, so those needing total rain protection should look at dedicated waterproof canopies.

Pros & Cons

Pros

• High UV protection reduces heat and sun exposure under the sail.
• Durable woven HDPE with stainless steel D rings and reinforced webbing for reliable mounting.
• Breathable, water permeable fabric prevents pooling and reduces wind stress on the sail.
• Custom sizes and multiple colors make it versatile for different outdoor spaces.

Cons

• Not waterproof, so it will not provide full rain protection.
• Some customers note size variation and occasional irregularity in shape, so careful measurement and expectation management are needed.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	9' x 11'
Material	Woven HDPE (High Density Polyethylene)
UV Protection	Blocks up to 95% of UV rays (UPF50)
Hardware	Stainless steel D rings with heavy duty white webbing
Water Resistance	Water permeable / not waterproof

Our Verdict

The ShadeMart 9' x 11' rectangle sail is a practical, cost-effective shade solution for patios, carports and poolside areas that need strong sun protection without a permanent structure. It offers durable construction, reliable UV blocking and breathable performance, making it good value for users who prioritize shade and airflow rather than full waterproofing.

Frequently Asked Questions

Is this sail waterproof?
The fabric is water permeable and breathable; it is not waterproof and will allow rain to pass through.

Can I mount this to trees or poles?
Yes, with the proper hardware kits the stainless steel D rings and webbing allow attachment to poles, trees, walls or roofs.

Does the size come exactly as listed?
Sizes are offered as stated but may vary slightly due to manual measurements; the fabric area remains consistent so measure your site carefully.