SINUSslide sinusoidal expansion joints have finally been PATENTED !!!

We are pleased to announce the grant of a European patent to Hengelhoef Concrete Joints to the producer of expansion joints on January 25, 2019 for sinusoidal expansion joints.

The patent was validated in Poland on February 28.02.2019.

By getting a patent, the manufacturer acquires the exclusive right to use the invention! Colloquially speaking, it is already unlawful to produce, sell, buy and install duplicate sinusoidal expansion joints from other manufacturers.