A woman sitting down cross legged on a tiled floor

Lock into faster flooring installation

Flooring systems don’t come any faster or easier to fit. In i4F’s unique drop-lock system, two technologies come together to make one strong, high-performing floor.

The world’s easiest and best flooring installation systems

Powered by Click4U® and 3L TripleLock®

Up to 30% faster

Extremely high locking strength

All materials in all formats

Meets all performance standards

3L TripleLock

The “original” one piece drop-lock system for the short side.

3L TripleLock is the easiest and fastest system for flooring installation on the market, and suitable for existing high speed production. Unlike other systems, no inserts are needed on the short side. That means less work, smaller costs, fewer materials and a lower carbon footprint.

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An angle system for the long-side, combined with 3L TripleLock on the short side.

Click4U works seamlessly with 3L TripleLock, enabling extremely high locking strength. Fast and easy to install, no special tools are needed – and it’s suitable for existing high speed production machinery.

Water spill on a tiled floor

Lock out water damage

Powered by i-Click4U®

With i4F you’re home and dry. i-Click4U® (impermeable-Click4U) is the world’s first ever water-resistant, one-piece, drop-lock flooring installation system, complementing i4F’s leading Click4U technology. Water-resistance is built into the installation system itself, so no extra chemical sprays or sealants are needed. i-Click4U has passed tests from independent institutes in France, Germany and the US, and exceeds all NALFA requirements related to water resistant flooring. With i4F you’re home and dry.

Water resistant

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installation of i4F drop-lock technologies

How it works

See how easy i4F’s unique drop-lock technologies make it to install and disassemble floorboards of any material.

Man putting wooden tiles together

Luxury Vinyl Tile (LVT)

Wooden tiles


Wooden tiles


Wooden tiles

Wooden Flooring


Works perfectly with all materials, in all formats

Thanks to i4F, installers can mix and match patterns to their customers’ content, and i4F drop-lock technologies work with all materials; Laminate, luxury vinyl tiles, expanded polymer core, solid polymer core and wooden flooring panels – you name it, i4F drop-lock technology works with it.


Technologies that meet all EN standards

i4F’s drop-lock technologies are tested to the highest industry standards by independent, highly-regarded research facilities, such as the Institute IHD in Germany. To ensure locking strength, flatness and gaps, our flooring system has endured all the tests below.

  • Castor Chair Test
  • Static Locking Test
  • Click Strength Test
  • Cupping Test
  • Gapping Test
  • Vertical Load Test

You’ll be in good company

Technology marches on – especially in flooring. To keep one step ahead of the demand for flooring innovation, join the many partners who’ve become an i4F licensee.