GIAN Anti-slip. Safety cast in concrete GIAN anti-slip formliners : attractive, thin texture mat adhered inside concrete mould GIAN is the name of the innovative texture mat from Compañero. This texture mat is easy to handle and can be used repeatedly. GIAN 6 pressed woven texture (9 x 2.5 mm) Roughness is created by the horizontal and vertical convex surface. The GIAN 6 tested satisfactory for leather shoe soles on a wet surface. We recommend thoroughly cleaning the surface of the GIAN 6 regularly, especially on the shady side of the building. Algae formation can cause slipperiness, so we advise against placing plants along walkways with the GIAN 6 texture.