ShadeMart 13 ft x 23 ft Green Sun Shade Sail Rectangle - Heavy Duty

In this review the ShadeMart 13 ft x 23 ft Green Sun Shade Sail is evaluated for homeowners and small business owners who need a durable, breathable canopy for patios, carports or poolside areas. The single biggest reason to buy is its combination of woven HDPE fabric and stainless steel corner D rings that deliver long-lasting sun protection while allowing water and air to pass through. For anyone seeking a nonwaterproof but UV-resistant rectangle shade sail that reduces temperatures and stands up to wind, this sail is a straightforward, practical choice.

Key Features

• Material: Woven HDPE fabric provides a strong, tear-resistant surface that blocks up to 95% of harmful UV rays while remaining breathable.
• Hardware: Stainless steel corner D rings attached to heavy duty white webbing give secure attachment points and resist corrosion over time.
• Breathability: The design is water permeable and air permeable so rain and wind pass through rather than pooling on the canopy.
• Temperature reduction: The sail meaningfully lowers ambient temperatures beneath it, typically by around 10 to 15 degrees in direct sun conditions.
• Custom sizing: Multiple custom size options let buyers match awkward or unique spaces, with the fabric area kept consistent despite manual measurement variance.
• Styling: The rectangle shape and available colors make it easy to integrate the sail into existing outdoor designs for a finished look.

Who It's For

The ShadeMart 13 ft x 23 ft rectangle sail is best for homeowners who need sun protection over a patio, carport, pergola or pool and want a breathable, ventilated canopy that lowers temperatures and resists fading. It is also well suited for RV owners or yard projects where easy installation and durable hardware are priorities.

People who need a fully waterproof canopy or a guaranteed exact color or precise inch-perfect dimensions should look elsewhere; this sail is explicitly water permeable and customers note some color variance and size differences due to manual measurement tolerances.

Pros & Cons

Pros

• High UV blockage and temperature reduction thanks to tightly woven HDPE fabric.
• Stainless steel D rings and heavy webbing provide durable, corrosion-resistant attachment points.
• Breathable, water permeable construction prevents pooling and stands up well in windy conditions.

Cons

• Not waterproof, so it will not fully protect against heavy rain or provide enclosed shelter.
• Color and exact size may vary slightly from expectations due to manual measurements and dye differences.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	13 ft x 23 ft
Material	Woven HDPE (High Density Polyethylene)
Hardware	Stainless steel corner D rings with heavy duty white webbing
Functionality	Water and air permeable; not waterproof
UV Protection	Blocks up to 95% of UV rays

Our Verdict

The ShadeMart 13 ft x 23 ft Green Sun Shade Sail is a solid value for anyone needing a durable, breathable sun canopy that meaningfully reduces heat and resists wear. It is best where ventilation and UV protection matter more than full waterproofing, and its stainless steel fittings and HDPE weave deliver practical longevity for patios, carports and similar outdoor spaces.

Frequently Asked Questions

Is this shade sail waterproof?
This style is not waterproof; it is water permeable so rain will pass through rather than pooling.

Will the hardware resist rust?
Yes, the corner D rings are stainless steel and are attached to heavy duty webbing to resist corrosion.

Can I order a custom size?
Yes, ShadeMart offers custom sized shade sails but customers should measure carefully since manual measurement can cause slight variance.