ShadeMart 7 ft x 20 ft Grey Sun Shade Sail Rectangle - Breathable UV

In this review the ShadeMart 7' x 20' Grey Sun Shade Sail is examined for homeowners and small businesses who need an affordable, heavy-duty shade solution. The bottom line: this rectangle shade sail is best for outdoor areas that need reliable UV reduction and airflow rather than a waterproof cover. It delivers durable woven HDPE fabric, reinforced stainless steel D rings and heavy webbing, which combine to provide up to 95% UV blockage and noticeable temperature reduction, making it a practical choice for patios, carports and pool equipment covers.

Key Features

• Material: woven HDPE fabric resists fading and provides a durable shade layer that stands up to regular outdoor use.
• Reinforced corners: stainless steel D rings attached to heavy duty white webbing create strong anchor points for long-term tensioned installation.
• Breathable design: the water permeable, air permeable weave allows rain and breeze to pass through, reducing wind load and pooling.
• UV protection: blocks up to 95% of harmful UV rays and can lower under-cover temperatures by roughly 10-15 degrees, improving comfort beneath the sail.
• Customizable sizing: available in a range of sizes and custom options so buyers can match the sail to specific patio, pergola or carport dimensions when measured correctly.
• Versatile mounting: with appropriate hardware the sail can be fastened to poles, trees, walls or roofs for many outdoor configurations.

Who It's For

The ShadeMart rectangle sail is ideal for homeowners, renters with permission to install anchors, and small businesses looking to add shade without constructing a permanent roof; its strength and UV protection suit patios, carports, pergolas, pool equipment areas and yards. The breathable fabric and strong corner hardware mean it is particularly useful where airflow and reduced temperatures are priorities.

It is not the right choice for anyone seeking a waterproof canopy or full rain protection; if you need complete water resistance or a sealed shelter you should look for a waterproof awning or solid roofing. Also, planning for precise measurements and the proper hardware is important when choosing a custom size.

Pros & Cons

Pros

• Durable woven HDPE material with sturdy stitching gives a long service life in sun-exposed areas.
• Stainless steel D rings and heavy webbing provide secure anchor points and simple installation with the right hardware.
• Blocks up to 95% of UV rays and noticeably reduces temperature beneath the shade.
• Breathable, water permeable design prevents water pooling and reduces wind load.

Cons

• Not waterproof, so it will not keep the area dry during rain events.
• Requires accurate measuring and appropriate hardware for best fit and tensioning.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	7' x 20'
Material	Woven HDPE (High Density Polyethylene)
Corner fittings	Stainless steel D rings with heavy webbing
Functionality	Water permeable, air permeable, UV resistant (up to 95%)

Our Verdict

The ShadeMart 7' x 20' Grey Rectangle Shade Sail is a practical, value-minded option for anyone who needs reliable UV protection and improved outdoor comfort without a permanent structure. Its heavy duty fabric and reinforced corners make it sturdy and easy to tension with the right hardware, while the breathable, water permeable weave prevents pooling. Choose this if you want strong shade and temperature reduction; select a waterproof alternative if you need rain protection.

Frequently Asked Questions

Is this shade sail waterproof?
This style is not waterproof; it is water permeable and designed to let rain pass through rather than shed water.

Will it reduce temperature under the sail?
Yes, the fabric blocks up to 95% of UV and typically lowers under-cover temperatures by around 10-15 degrees.

Can it be custom sized?
ShadeMart offers custom size options; measure your venue accurately before ordering because sails may vary slightly due to manual measurements.