Our range of perforated or ventilated trays is offered in drilled and perforated channels. Available in 50 mm lengthwise and a minimum of 25 mm crosswise, the perforated type cable trays are available at widths from 50 mm to 900 mm and are designed for standard support span of 2,500 mm. The perforated type cable trays are made of HR sheets and also from pre galvanised sheets with various thickness and flange heights