ShadeMart 17 ft x 21 ft Sand Beige Sun Shade Sail UPF50 - Breathable

Our review of the ShadeMart 17' x 21' sand beige sun shade sail finds it best for homeowners and gardeners who want a durable, breathable canopy that cuts heat and UV without trapping moisture. The biggest reason to buy is its woven HDPE fabric and stainless steel corner D rings, which together deliver long-term durability and simple attachment to poles, walls or trees; this makes it especially useful over patios, carports and vegetable beds where airflow and sun protection both matter.

Key Features

• Woven HDPE fabric: provides a strong, tear-resistant canopy that blocks up to 95% of harmful UV rays while staying breathable.
• Stainless steel D rings: heavy duty corner hardware attached to white webbing gives secure anchor points and resists corrosion in outdoor conditions.
• Water permeable: allows rain and air to pass through so water does not pool and the covered area stays ventilated.
• Custom size options: available in multiple dimensions so you can pick or commission a size that fits patios, pergolas or carports precisely.
• Temperature reduction: the fabric noticeably lowers temperatures below the canopy, making outdoor spaces more comfortable on hot days.

Who It's For

The ShadeMart rectangle sail is ideal for homeowners who need a practical sunshade for patios, porches, pergolas, poolside seating or vegetable gardens and want a breathable fabric that reduces heat and UV exposure. Its stainless steel corners and heavy webbing suit users who plan to leave a canopy installed seasonally and need reliable anchor points for poles, roofs or trees.

This sail is less suitable for buyers who require a fully waterproof cover or a rigid structure; because the fabric is water permeable, it will not keep rain out and will not replace a solid carport roof or awning.

Pros & Cons

Pros

• Durable woven HDPE material that blocks most UV and resists tearing.
• Stainless steel D rings and heavy webbing provide secure attachment and longevity.
• Breathable, water permeable design prevents water pooling and improves airflow.
• Custom sizing options let buyers fit the sail to varied outdoor layouts.

Cons

• Not waterproof, so it will not shelter against heavy rain.
• Color and size can vary slightly due to manual measurement and fabric characteristics.

Specifications

Our Verdict

The ShadeMart 17' x 21' sand beige shade sail is a solid value for anyone seeking a breathable, UV-resistant canopy for patios, gardens or carports. It combines durable woven HDPE and stainless steel hardware to deliver long-term performance; buyers only need to accept that it is not waterproof and may require careful measuring for custom fits.

Frequently Asked Questions

Is this shade sail waterproof?
No. The fabric is water permeable and designed to allow rain and air to pass through rather than block water.

How much UV protection does the fabric provide?
The woven HDPE material blocks up to about 95% of harmful UV rays and helps lower temperatures beneath the canopy.

Can it be attached to trees or poles?
Yes. With proper hardware kits the sail can be secured to poles, trees, walls or roofs using the stainless steel D rings and webbing.