PV racking system manufacturer AEROCOMPACT, based in Satteins, Austria, has added three sliding seam clamps to its COMPACTMETAL TM product range. The new CE-certified clamps enable roofers and installers to mount framed solar modules of any length and width without needing to penetrate the roof on almost all types of seam sheet roofs. The compact, pre-assembled new developments are available worldwide as of today.