Expansion Joints made by ATT are worldwide selling product with over 15 years history of development. The joint is an element compensating floor movement, at the same time creating a gap protection against accumulation of all kinds of impurities in it.
In order to prevent cracks in floors made over larger surfaces, expansion joint cuts are applied during floor application. A stainless steel expansion joint is a structural element buffering surface movements. It also protects gaps against accumulation of any kind of contamination.