Custom Size 21ft x 24ft x 31.9ft White Right Triangle Sun Shade Sail

Our review of this custom-size white right triangle sun shade sail finds it best suited for homeowners and small commercial users who need a tailored shade solution that blocks sun effectively. The single biggest reason to buy is the fabric performance: made from 200 GSM HDPE with up to 95% UV blockage, it noticeably lowers ambient temperature under the canopy and withstands regular outdoor use. Installation requires planning for D-ring to pole gaps, but once mounted the sail provides dependable shade and a clean, functional look.

Key Features

• 95% UV Protection: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays to protect people and belongings beneath the sail.
• Temperature Reduction: The fabric reduces temperatures by as much as 15 degrees compared with unshaded areas for a cooler outdoor space.
• Custom Fit: Measured D-ring to D-ring sizing allows a tailored fit to the intended mounting points for neater tension and coverage.
• Durable Construction: Reinforced edges, double-layer stitching and stainless steel D-rings improve longevity in sun and wind exposure.
• Permeable Design: Water and air permeable weave reduces wind load and drainage issues while still providing shade.
• 3-Year Assurance: The product includes a three-year assurance that covers workmanship and helps justify the custom order.

Who It's For

This shade sail is ideal for homeowners who want a customized triangular canopy over patios, play areas, or pet enclosures and for small commercial spaces needing durable, breathable sun protection. It works well where a measured, tight fit is required and where reducing surface temperatures matters.

It is less suitable for buyers expecting a large off-the-shelf cover without measuring or for those who need a fully waterproof canopy; the fabric is water and air permeable and requires correct corner spacing for best tension. Buyers who dislike on-site measuring or want rigid waterproof roofing should look elsewhere.

Pros & Cons

Pros

• High level of UV protection from 200 GSM HDPE fabric keeps shaded areas cooler and safer.
• Quality construction with reinforced edges, double stitching and stainless steel D-rings improves durability.
• Custom sizing from D-ring to D-ring gives a precise fit for unique mounting layouts.
• Breathable, permeable weave reduces wind load and sheds water rather than pooling.

Cons

• Several customers report the delivered size can feel smaller than expected, so careful measurement is essential.
• Not fully waterproof, so it will not replace a solid awning for rain protection.

Specifications

Product Shape	Right triangle
Custom Size	21' x 24' x 31.9' (D-ring to D-ring)
Material	200 GSM HDPE
UV Blockage	Up to 95%
Permeability	Water and air permeable
Hardware	Stainless steel D-rings, reinforced edges
Warranty/Assurance	3 years

Our Verdict

The custom-size right triangle shade sail is a practical choice for anyone who needs reliable UV protection and a cooler outdoor area with a tailored fit. It delivers strong sun blocking, durable construction and breathable performance at a reasonable value for custom-made fabric shade, provided customers measure carefully to avoid disappointment with final dimensions.

Frequently Asked Questions

Is this shade sail waterproof?
Answer. No, the fabric is water and air permeable so it sheds water but does not provide a waterproof roof.

How should I measure for a custom sail?
Answer. Measure from D-ring to D-ring at the intended mounting points and allow the recommended corner gap of at least 0.5 ft, or reduce side lengths by 1 to 1.5 ft if needed for tighter installs.

How durable is the construction?
Answer. The sail uses 200 GSM HDPE with reinforced edges, double-layer stitching and stainless steel D-rings and comes with a 3-year assurance for workmanship.