Innovative construction material, which is deployed with HOLZMA Baureihe 5 since ca. 2010. In comparison to the steel girder construction, the manufacturer lists following advantages (2015):

• 10 times higher vibration damping
• 20% higher sound absorption
• 30% higher lifetime of saw blades
• 40% less primary energy requirement with the manufacturing
• further information: see technical term SORB TECH