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What is a Right-Angle Triangle Shade Sail?

A right-angle triangle shade sail is a three-sided sun sail with one 90-degree angle, making it perfect for installation in the corner of a building, patio, deck, or courtyard. The side opposite the right angle is called the hypotenuse—this design allows for snug and effective coverage without needing extra posts in many cases.

At The Shady Lady, we stock a wide range of ready-made right-angle triangle shade sails—from compact 2x2x2.83m sails for small outdoor areas to our largest 8x9x12.04m sails for large patios, pools, and driveways.

Why Choose a Shady Lady™ Shade Sail?

✅ Designed in Australia by The Shady Ladies for harsh conditions
✅ Made with 280gsm commercial-grade fabric
✅ Blocks up to 95% of harmful UV rays
✅ Backed by a 2-Year UV warranty
✅ Reinforced corners, extra-strong 38mm seatbelt webbing, and UV-stabilised stitching
✅ Perfect for DIY shade sail installations – Check out our free shade sail installation guide!
✅ Express worldwide shipping is available

Whether you’re covering a courtyard or providing shelter over a play area, right-angle sun shade sails are a smart and stylish solution.

Need hardware? We’ve got you covered. Our stainless steel shade sail accessories are better quality and better value than Bunnings, with a huge range in stock—available separately or in DIY kits.

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Installation Guide

Installation Guide for pre-made shade sails.

free installation guide for pre-made shade sails

The Shade Sail Shop Accessories Check List

Right Angle 90º Sails

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Installation Guide

Installation Guide for pre-made shade sails.

free installation guide for pre-made shade sails

The Shade Sail Shop Accessories Check List

The Shade Sail Shop

What is a Right-Angle Triangle Shade Sail?

Why Choose a Shady Lady™ Shade Sail?

Product Category

Installation Guide

Right Angle 90º Sails

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