ShadeMart 9 ft x 17 ft Grey Rectangle Shade Sail - Heavy Duty UV

In this review the ShadeMart 9 ft x 17 ft Grey Rectangle Shade Sail is evaluated for homeowners and small businesses looking for a durable, high-coverage sun sail that reduces temperature and blocks UV. The bottom line: this shade sail stands out for its heavy duty 260 GSM virgin HDPE fabric and reinforced super ring construction, which together deliver reliable UV protection and edge durability for patios, pools and carports. Installation requires separate hardware, but once mounted it provides a stable, breathable cover that noticeably lowers surface heat.

Key Features

• Heavy Duty Construction: 260 GSM virgin HDPE fabric and integrated cable wires concentrate pull strength in the edges to reduce tearing and prolong life.
• Integrated Super Rings: Stainless mounting super rings connect to built-in cable wires so the stress is carried by the cable, not the fabric seam.
• 95% UV Blockage: Laboratory-tested material and UV-stabilized compound block up to 95% of harmful UV to lower temperature under the sail.
• Breathable Design: Permeable fabric lets water pass through to prevent pooling and reduces wind stress compared with solid canopies.
• Fade and Tear Resistance: Fabric treated with UV stabilizers to resist drying, fading and tearing better than recycled alternatives.
• Size Guidance: Measurement taken from D ring to D ring and edges are slightly curved so the sail can be tensioned without a sagging middle.

Who It's For

The ShadeMart rectangle shade sail is best for homeowners with patios, balconies, pools or carports who want a robust fabric solution that reduces heat and blocks UV while allowing rain to pass. It suits customers who can provide or purchase mounting hardware and are comfortable planning tension points around trees, poles or walls.

It is less suitable for buyers who need a fully waterproof awning or who expect hardware included in the package; installation hardware kits and cable ropes are sold separately and must be chosen to match the D ring spacing and mounting points.

Pros & Cons

Pros

• Very durable 260 GSM 100% virgin HDPE fabric that resists fading and tearing under sun exposure.
• Integrated cable wires and stainless super rings focus load on the cable, improving edge strength and longevity.
• Effective temperature reduction and up to 95% UV blockage for outdoor living spaces.
• Breathable fabric prevents water pooling and performs well in rain compared with solid covers.

Cons

• Installation requires separate hardware kits and cable ropes, which adds cost and planning to the setup.
• Some buyers report size and color perceptions vary, so ordering a custom size or checking measurements carefully is advisable.

Specifications

Brand	ShadeMart
Material	260 GSM 100% virgin HDPE
UV Blockage	Up to 95%
Mounting	Stainless super rings with built-in cable wires (hardware sold separately)
Design	Permeable breathable fabric, slightly curved finished edges
Common Uses	Patio, pool, balcony, carport

Our Verdict

The ShadeMart 9 ft x 17 ft Grey Rectangle Shade Sail is a solid choice for anyone needing a heavy duty, UV-blocking shade that reduces temperature and resists fading. Its 260 GSM virgin HDPE and reinforced super ring construction make it good value for long-term outdoor use, provided you budget for a matching hardware kit and double-check size and mounting requirements before ordering.

Frequently Asked Questions

Does the shade sail come with installation hardware?
No, installation hardware kits and cable rope are sold separately and each D ring requires one cable rope; ShadeMart hardware is recommended for best appearance and performance.

Is the fabric waterproof?
No, the fabric is breathable HDPE that allows water to pass through to prevent pooling; it is not a waterproof tarp.

How is the size measured?
Size is measured from D ring to D ring; leave about 0.5 to 1.5 ft clearance for hardware between the sail D rings and mounting points.