Green Rectangle Sun Shade Sail 11ft x 16ft - 95% UV Blockage

In this review of the Green Rectangle Sun Shade Sail 11' x 16', the bottom line is simple: this custom-size canopy is for homeowners and small businesses who want reliable sun protection with a tailored fit. The reviewer found the shade sail blocks up to 95% of UV rays, noticeably cools shaded areas, and installs with common mounting hardware, making it a practical choice for patios, playgrounds, and outdoor dining areas where a durable, customizable cover is needed.

Key Features

• Enhanced Sun Protection: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays to protect skin and outdoor furnishings.
• Temperature Reduction: Properly placed, the sail can lower temperatures by up to 15 degrees versus unshaded areas for a cooler outdoor experience.
• Commercial Durability: Reinforced edges and stainless steel D-rings deliver heavy-duty performance suitable for frequent outdoor use.
• Custom Fit: The product is made to measure using D-ring to D-ring dimensions so the sail fits irregular spaces more accurately than off-the-shelf covers.
• Easy Installation: The sail mounts to trees, roofs, walls, or posts with standard hardware kits and clear corner spacing guidance for secure tensioning.
• Water & Air Permeable: The woven HDPE material allows airflow and some water permeability to reduce wind load and pooling.

Who It's For

This shade sail suits homeowners, small commercial operators, and anyone with a defined outdoor area who wants a custom-sized solution rather than a generic parasol or umbrella. It is particularly useful for patios, pergolas, poolside zones, kids play areas, and outdoor seating where UV protection and cooler conditions matter.

Those who should look elsewhere include people needing a fully waterproof canopy or an instant pop-up shelter; this sail is water permeable rather than fully waterproof and requires time and effort to measure and install properly.

Pros & Cons

Pros

• High UV blockage from 200 GSM HDPE for strong sun protection.
• Custom sizing allows a neat, tailored fit for irregular spaces.
• Durable build with reinforced edges, double stitching, and stainless steel D-rings for longevity.
• Noticeable temperature reduction under the sail for more comfortable outdoor time.

Cons

• Not fully waterproof; the material is water permeable, so it does not keep all rain out.
• Requires careful measuring and hardware for best performance, which adds installation effort.

Specifications

Material	200 GSM HDPE
UV Blockage	Up to 95%
Typical Temperature Reduction	Up to 15 degrees
Edges & Hardware	Reinforced edges, double stitching, stainless steel D-rings
Permeability	Water and air permeable
Customization	Made to measure from D-ring to D-ring; straight edges on request
Warranty	3 years assurance

Our Verdict

The Green Rectangle Sun Shade Sail 11' x 16' is a solid value for anyone seeking custom-fit UV protection that lasts. It is best for homeowners and small businesses who want a cooler, shaded outdoor area and are willing to measure and install a robust, commercial-standard sail. Avoid it if you need absolute waterproofing or a tool-free pop-up canopy.

Frequently Asked Questions

Is this shade sail waterproof?
The fabric is water and air permeable, so it sheds some water but is not fully waterproof and will not prevent all rain from passing through.

How should I measure for a custom sail?
Measure from D-ring to D-ring exactly; allow corner gaps as advised (about 0.5 ft or adjust 1 to 1.5 ft per side) so the sail can be tensioned properly.

What hardware is needed for installation?
Standard mounting hardware kits for sails work; use sturdy posts, walls, or trees and follow the corner spacing guidance to avoid overstressing the D-rings.