
Triangular Sail duo: SQK-II
The SunSquare® model SQK-II features an aluminium shaft and two compensators. It is a both-sided triangular sail system (duo)— ideal for large-scale requirements and expansive areas.
Think big
The SQK-II system is equipped with two high-performance compensators, enabling the implementation of radial sails with impressive fabric sizes of up to 76 m². The gas pressure springs inside the compensators ensure optimal tension and stability.
The wind sensor reliably protects every SunSquare system — even if you forget to close the sail, it sends a command to the motor when wind speeds are too high and automatically closes your shade sail.
The materials used guarantee an exceptional lifetime of the systems and thus offer long-term investment security. SunSquare® - the sail for generations!
Every SunSquare® system is technically and structurally reviewed, approved, and manufactured in Tulln. The individual components are sourced from Austria and the EU.
Versatile – can be used anywhere where outdoor space is created.
Fabrics that can do more. Colours that last.
High-quality sailcloth with UV, rain and fire protection – available in numerous colours and textures.

Technology that thinks ahead. Systems that grow with you.
From the first sketch to the last screw: every SunSquare® system is the result of sophisticated technology – developed in Austria, tested to the highest standards and equipped with smart sensor technology. Wind monitoring, cable-guided tensioning and modular assembly make our systems as reliable as they are flexible.

Sun sails in use
Real projects, real locations. SunSquare® systems are used in so many different ways around the world.
Your project deserves the best shade!
Whether you have initial questions, a specific design or are simply curious, we will connect you with the appropriate contact person.
The system must be quickly retracted using the emergency hand crank. For this reason, the hand crank should be stored visibly and close to the system so the sail can be manually closed without delay. For systems with an iO motor, the use of an emergency hand crank is not intended. Please contact a SunSquare® distribution partner as soon as possible.
Please check the deflection pulley and remove any dirt or leaves if necessary. Work with great caution and be mindful of your fingers — there is a risk of injury! If these measures are unsuccessful, please contact your SunSquare sales partner or the SunSquare headquarters.
SunSquare offers a winter protection cover. This is cut to the length of your individually planned SunSquare® system and can be purchased from your sales partner. If you are a SunSquare® headquarters customer, you can purchase the sun protection cover directly from SunSquare®. Delivery is usually made by post or handed over by our fitters as part of the completion of a SunSquare® system — provided that the case was also ordered when the whole SunSquare® system-order was placed.
Which model suits your project?
Whether it's a private roof terrace, hotel garden or public square, SunSquare® offers the right system for every requirement.














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