Custom Size 17ft x 23ft x 28.6ft Beige Right Triangle Sun Shade Sail

Our review of this custom size right triangle sun shade sail finds it best for homeowners or small businesses who need a large, tailored shade solution that balances sun protection and airflow. The standout reason to buy is the fabric performance: made from 200 GSM HDPE rated to block up to 95% of UV rays, it noticeably cools shaded areas and offers a customizable fit for awkward or unique outdoor spaces. Installation is straightforward for anyone comfortable with basic mounting hardware, and the reinforced edges and stainless steel D-rings feel built to commercial standards.

Key Features

• 95% UV blockage: The 200 GSM HDPE fabric blocks up to 95% of harmful sun rays, providing reliable protection for people and furnishings beneath the sail.
• Temperature reduction: The sail reduces ambient temperature by up to 15 degrees compared to unshaded spots, making patios and play areas notably cooler.
• Custom sizing: Measurements are taken D-ring to D-ring so the sail can be made to fit odd or large spaces rather than forcing a standard size.
• Durable construction: Reinforced edges, double-layer stitching and stainless steel D-rings increase longevity under regular outdoor exposure.
• Water and air permeable: The fabric sheds some water while allowing airflow, reducing wind load and pooling compared with solid canopies.
• Easy installation: Mounting to trees, walls, roofs or poles is straightforward with common hardware kits and clear spacing guidance for best tension.

Who It's For

This shade sail is ideal for homeowners with a large patio, pergola, poolside area or garden who want a tailored solution instead of an off-the-shelf rectangle. It also suits small commercial venues or cafes needing a durable, breathable canopy with high sun protection and a cleaner look than umbrellas.

Those who should look elsewhere include buyers wanting a fully waterproof awning or a rigid frame structure, and anyone who needs an instantly movable shade option; the sail is meant as a semi-permanent installation and requires hardware and anchor points.

Pros & Cons

Pros

• High sun protection with up to 95% UV blockage from the 200 GSM HDPE fabric.
• Material and hardware feel robust with reinforced edges and stainless steel D-rings for durability.
• Custom sizing provides a precise fit for irregular spaces and allows straight-edge options on request.
• Breathable design reduces temperature and wind load more effectively than solid covers.

Cons

• Durability is mixed in long-term outdoor exposure; some users report reduced life in very harsh sun after a year or more.
• Not fully waterproof, so it will not replace a sealed roof or rigid shelter in heavy rain.

Specifications

Product shape	Right triangle
Custom size	17' x 23' x 28.6'
Material	200 GSM HDPE
UV protection	Up to 95% blockage (UPF50+)
Hardware	Stainless steel D-rings, reinforced edges, double stitching
Permeability	Water and air permeable
Assurance	3 year assurance included

Our Verdict

For anyone needing a large, tailored shade that prioritizes UV protection and cooling, this custom right triangle sail is a strong value: its 95% sun protection, robust fittings and breathable fabric make it a practical semi-permanent solution. Buyers seeking full waterproofing or guaranteed multi-year performance in the harshest climates should weigh that trade-off, but for patios, poolsides and commercial outdoor seating it delivers good protection and flexibility.

Frequently Asked Questions

Is this sail completely waterproof?
The fabric is water and air permeable so it sheds some water but is not a fully waterproof, sealed roof.

How are sizes measured for custom orders?
Measurements are taken from D-ring to D-ring to ensure a tailored fit; you can request straight edges when ordering.

How durable is the hardware?
The sail uses stainless steel D-rings and reinforced, double-stitched edges, and comes with a 3 year assurance to cover construction defects.