ShadeMart 15 ft x 22 ft Green Rectangle Sun Shade Sail - UPF50

In this review the ShadeMart 15 ft x 22 ft Green Rectangle Sun Shade Sail is recommended for homeowners and RV owners who need reliable sun protection without trapping heat. The single biggest reason to buy is its breathable woven HDPE fabric that blocks up to 95% of UV rays while remaining water and air permeable, so it cools the shaded area and avoids puddling. The reviewer found it suited to patios, carports and temporary covers where a durable, heavy duty fabric with stainless steel corner D rings is helpful.

Key Features

• Woven HDPE fabric: The high density polyethylene cloth blocks most UV while remaining breathable so air circulates and heat is reduced.
• Stainless steel D rings: Reinforced corner hardware attached to heavy duty white webbing gives reliable anchor points for secure installation.
• Water and air permeable: The sail sheds wind pressure and allows rain to pass through instead of pooling, which improves longevity.
• UPF50 sun protection: Blocks up to 95% of harmful sunlight and can lower temperatures under the sail by around 10 to 15 degrees in direct sun.
• Custom sizing available: Multiple sizes and custom options mean you can order a sail shaped to your venue when standard sizes do not fit.
• Decorative rectangle styling: The simple rectangular shape integrates with patios, pergolas and carports while adding visual interest.

Who It's For

The ShadeMart rectangle shade sail is best for homeowners, RV owners and gardeners who want strong sun protection that breathes and is easy to attach to poles, trees or walls. It works well for patios, carports, poolside areas and temporary covers where heat reduction and UV blocking are priorities.

People who need a fully waterproof canopy or a rigid permanent carport roof should look elsewhere; this model is intentionally water permeable and designed to allow air and rain to pass through rather than form a waterproof shelter.

Pros & Cons

Pros

• Effective sun protection from the UPF50 woven HDPE that significantly reduces UV exposure and heat.
• Durable construction with heavy duty white webbing and stainless steel corner D rings for secure mounting.
• Breathable and water permeable design prevents pooling and handles wind better than solid tarps.
• Easy to install for common outdoor uses and available in custom sizes to fit unusual spaces.

Cons

• Color variations have been reported by some buyers, so the advertised hue may not exactly match every sample.
• Not waterproof, so it will not protect against heavy rain for covered storage needs.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	15 ft x 22 ft
Material	Woven HDPE (High Density Polyethylene)
Corner hardware	Stainless steel D rings with heavy duty webbing
Functionality	Water and air permeable; blocks up to 95% UV (UPF50)
Applications	Patio, carport, pergola, pool, yard, RV cover

Our Verdict

The ShadeMart 15 ft x 22 ft rectangle shade sail is a sensible value if you need breathable, heavy duty sun protection that lowers temperatures and resists fading. It is particularly good for patios, RV covers and pool areas where airflow and UV blocking matter, but not for buyers who need a waterproof roof. Overall it delivers durable build quality and flexible mounting options that justify choosing a custom-sized sail when a close fit is important.

Frequently Asked Questions

Is this shade sail waterproof?
Answer. No, the fabric is water permeable and breathable so rain passes through rather than forming a waterproof cover.

How much UV does it block?
Answer. The woven HDPE fabric provides UPF50 protection and can block up to about 95% of harmful UV rays.

Can it be attached to trees and poles?
Answer. Yes, with the proper hardware kits the stainless steel D rings and webbing allow attachment to poles, trees, walls or roofs.