Click here to download Mini-Corodek® PDF Click here to download Mini-Corodek® Installation Hints PDF Enquire About Mini-Corrodek® Now Mini-Corodek® is 877mm wide (±5mm) with a cover width of 825 (±5mm). It has 33 small corrugations of 25mm centres and a rib height of 6mm. Base Metal Thickness: 0.42mm.