Custom Size 19ft x 21ft White Rectangle Sun Shade Sail - Tight

In this review of the Custom Size 19' x 21' White Rectangle Sun Shade Sail, the bottom line is simple: this shade is for anyone who needs a large, tailored cover that blocks sun and provides privacy without sagging. The sail is clearly made with a focus on fit and durability - measurements are taken corner to corner and the curved edges are designed to stay taut. For patios, pools, carports or balconies where a clean look and reliable UV protection matter, this shade delivers a practical, long-lasting solution.

Key Features

• Custom Fit: Measurements are taken from corner to corner and the curved edges are cut to prevent sagging so the sail stays tight and neat over time.
• UV-Blocking Material: Made from virgin polyethylene that blocks up to 95% of UV rays and about 90% of visibility for cooler, more private outdoor spaces.
• All-Season Use: The fabric reduces frost overnight and sheds light rain, making it useful beyond just hot summer days.
• Durability: Lightweight yet strong construction offers the balance of strength and ease of handling for large spans like 19' x 21'.
• Local Custom Manufacturing: Each shade is made locally to size and delivered on time, which helps ensure the fit and finish match expectations.
• Warranty: A 3-year limited warranty provides added confidence in its construction and longevity.

Who It's For

This shade is ideal for homeowners and renters who need a large, custom-sized cover for patios, pools, carports, driveways, gardens or balconies and who value a neat, sag-free installation. It is particularly useful where UV protection and reduced visibility are priorities, such as family outdoor seating areas or poolside lounging.

Those who need a simple pop-up umbrella or a fully waterproof awning should look elsewhere; the sail is designed for sun protection, light rain and frost reduction rather than heavy downpours or complete waterproofing. Buyers who prefer off-the-shelf sizes can consider standard sails, but anyone requiring a precise fit will appreciate the custom service.

Pros & Cons

Pros

• Excellent fit thanks to corner-to-corner measurement and curved edges that reduce sagging.
• Strong UV protection blocks up to 95% of UV rays, improving comfort and sun safety.
• Durable virgin polyethylene construction balances strength with manageable weight for large sails.
• Locally made to size with a 3-year limited warranty adds reliability and service assurance.

Cons

• Not fully waterproof; best for light rain and frost reduction rather than heavy storms.
• Installation experiences vary, and larger sails may require more than one person or extra hardware for a taut setup.

Specifications

Shape	Rectangle
Size (custom example)	19' x 21'
Material	Virgin polyethylene
UV Block	Up to 95% UV rays; ~90% visibility block
Edge Design	Curved edges to prevent sagging
Warranty	3-year limited warranty
Manufacture	Custom made locally and delivered on time

Our Verdict

This Custom Size 19' x 21' White Rectangle Sun Shade Sail is a practical, value-driven choice for anyone needing a large, tailored shade that looks tidy and performs well against sun and light weather. Its precise fit, strong UV protection and local custom manufacturing make it a sensible buy for patios, pools and carports where long-term appearance and privacy matter.

Frequently Asked Questions

Is this sail waterproof?
The sail is designed for sun protection, light rain and frost reduction but is not fully waterproof for heavy storms.

How are measurements taken for a custom size?
Measurements are taken from corner to corner and the curved edges are precisely cut to ensure a tight, non-sagging fit.

What level of UV protection does the fabric provide?
The virgin polyethylene fabric blocks up to 95% of UV rays and reduces visibility by about 90% for cooling and privacy.