SISO logo

SISO is a patented and modular screw system for construction professionals.

SISO is a modular screw system that combines engineering expertise and simplicity to make every connection and construction smarter. SISO saves time, increases stability, and enables limitless flexibility – all without drilling, riveting, or welding. With SISO, every idea becomes a solid, precise, and sustainable construction – in no time at all.

50%

Up to 50% time savings during assembly

1.5T

Load capacity of up to 1.5t for every design

100%

SISO is 100% modular and reusable

5k+

Successfully used in over 5000 projects

SISO works

The modular SISO system consists of rails, connectors, covers, and the patented screw – all without drilling. The screw engages directly in the aluminum channel, holds up to 1.5 tons, and allows for maximum flexibility thanks to its plug-in and screw-in principle.

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Develop an idea

SISO stands for limitless freedom in design.
Your idea is the basis – whether it's a solar project, metal construction, or a creative custom solution.

Select modules

Choose the right SISO components or get personal advice. The system is modular – combinable and expandable for any application.

Easy to assemble

Rails, connectors, screws – everything fits together perfectly. SISO is installed without drilling, withstands extreme loads and is 100% reusable.

Do you have any questions about the assembly or the SISO function?

Our experts and SISOnauts are happy to help. Perhaps your most pressing questions will be answered in our "Frequently Asked Questions" section. And if not, you can contact us anytime.

Frequently Asked Questions
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The magical advantages of SISO

SISO embodies Swiss engineering that rethinks assembly. The system combines maximum stability with ease of use – for efficient, clean, and sustainable construction.

SISO Solar Solar Fir Tree

  • Quick assembly

    Thanks to the "screw-it-and-you're done" principle, you save up to 50% on assembly time – without any drilling or special tools.

  • High load capacity

    The patented screw connection can withstand loads of up to 1.5 tons and ensures lasting safety.

  • Modular and flexible

    All components can be combined, expanded and reused as desired – for limitless design possibilities.

  • Sustainable and long-lasting

    Chip-free assembly, recyclable materials and Swiss precision make SISO a future-proof solution in the construction industry.

Proven SISO modules for limitless applications

to the shop
  • SISO countersunk screw

    screws

    The heart of SISO: The sophisticated connecting screws with high pull-out force.

    countersunk screw
    concrete screw
    Anchor bolts
    threaded bolt
  • SISO rails

    rails

    Versatile aluminum rails for substructures, available in various sizes.

    Aloha Tower
    support rails
    Fast Mounting
    Apparatus construction rail
  • SISO cover strip

    cover

    Adaptation strips for covering and fixing the modules in the insertion rail are placed or inserted and clamped.

    Cover strip
    Snow guard rail
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Become a certified SISonaut – your ticket to our galaxy

As a SISOnaut, you belong to an exclusive circle of installers, builders, tradespeople, and private individuals who realize unique constructions in their free time thanks to SISO. SISOnauts benefit from a diverse community, valuable exchange at networking events, and attractive offers. Become part of our community and be proud to be a SISOnaut!

Become a SISOnaut
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Assembly instructions
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