ShadeMart 13 ft x 20 ft Beige Sun Shade Sail - UPF50 Rectangle

In this review of the ShadeMart 13 ft x 20 ft beige sun shade sail, the bottom line is simple: this is a practical, heavy duty rectangle canopy for anyone who needs reliable sun protection and airflow over a large outdoor area. The sail is best for homeowners, rental property owners, and small businesses that want to cut heat and UV exposure without sealing out rain. Its biggest selling point is the combination of woven HDPE fabric, breathable water permeability, and UPF50-level sun blocking that lowers temperatures noticeably while remaining durable enough for semi-permanent outdoor use.

Key Features

• Woven HDPE fabric: durable synthetic weave resists tearing and provides long-term sun protection in high-traffic outdoor settings.
• UPF50 sun protection: blocks up to 95% of harmful UV rays to reduce sun exposure and help lower under-canopy temperatures by around 10 to 15 degrees.
• Water permeable design: lets rain and air pass through so water does not pool and the canopy remains breathable during storms.
• Stainless steel D rings: corrosion-resistant corner hardware attached to heavy duty webbing for secure mounting to poles, walls, trees, or roof anchors.
• Custom sizing available: a range of custom sizes means you can order a sail that better fits unusual patios, carports, or poolside areas when accuracy is required.

Who It's For

The ShadeMart rectangle sun shade sail works well for homeowners who want a low-maintenance way to cool patios, pergolas, carports, or play areas and for small businesses seeking simple sun control without a fixed roof. Its breathable, water-permeable fabric is ideal where drainage and airflow matter, and the stainless steel hardware suits coastal or humid climates.

Those who should look elsewhere are buyers who need a fully waterproof canopy or a precisely cut factory rectangle every time; customers should measure carefully since sizes are manually produced and some buyers report slight shape variation. If you want a rigid, sealed shelter, consider a different product.

Pros & Cons

Pros

• Effective UV blocking and noticeable cooling thanks to UPF50-level fabric.
• Durable construction with woven HDPE and stainless steel D rings for long service life.
• Breathable, water-permeable design avoids pooling and allows airflow during storms.
• Custom size options to better match nonstandard outdoor spaces.

Cons

• Not waterproof, so it does not provide full rain protection.
• Some customers report size or shape variation due to manual measurement and production.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	13 ft x 20 ft (listed)
Material	Woven HDPE (high density polyethylene)
Sun Protection	UPF50 / blocks up to 95% UV
Hardware	Stainless steel D rings with heavy duty webbing
Water Performance	Water permeable / breathable (not waterproof)

Our Verdict

The ShadeMart 13 ft x 20 ft beige sun shade sail is a solid, value-minded choice for shading patios, carports, and poolside areas where breathability and UV protection matter more than full rain coverage. With durable woven HDPE, stainless steel corners, and useful custom sizing options, it suits most residential and light commercial outdoor needs when buyers measure carefully and accept a water-permeable canopy.

Frequently Asked Questions

Is this shade sail waterproof?
No, the fabric is water permeable and breathable so it allows water to pass through rather than acting as a waterproof canopy.

How much UV protection does the sail provide?
The sail provides UPF50-level protection and is designed to block up to about 95% of harmful UV rays.

Can it be attached to trees, poles, or walls?
Yes, the stainless steel D rings and heavy duty webbing allow attachment to poles, trees, walls, roofs, or purpose-built hardware kits.