Author: Karl Marx, rotec Berlin

Custom Perforated Sheets Explained Simply: rotec shows what architects, designers, metal fabricators, and industrial customers should look for in perforated sheets. This article explains types of perforations—such as round, square, slotted, and custom perforations—key DIN standards like DIN 24041, the calculation of open area, materials such as steel, stainless steel, and aluminum, as well as typical applications for facades, ventilation, acoustics, mechanical engineering, storefitting, and industry. It also covers cutting to size, laser cutting, edge finishing, welding, assembly production, hot-dip galvanizing, visible surfaces, deburring, edging profiles, safety gratings, and common design mistakes.