Unistrut's hot dipped galvanized finished channels, cable tray and cable ladder, in addition to galvanizing to BS EN ISO 1641, receive additional protection in the form of a clear passivation coating. As part of this protection the coating minimizes the risk of staining effects, such as handling and wet storage stain (white rust), which are prevalent during the initial period of the product's life cycle. Unistrut channel is a support system manufactured from steel, which is also referred to as Strut, is available in Plain Oil, Hot Dipped Galvanised (HDG), Pre Galvanised and Stainless Steel with different options for thickness; 21mm, 41mm, 62mm, 82mm and larger if required. Length options as standard are 3 or 6 metre (or smaller with our cutting service).