Installation of rectangular, classified E. Klink ducts 14 Vertical floor penetration – Ducts > 1250 x 1000 • Assembly rails: Gebhardt Premium 30/40. • Sectional steel is installed to secure the duct. • Minimum size of sectional steel 70x70x70x3. • Gap width 20 mm. Gap depth 10-15 mm.
RkJQdWJsaXNoZXIy NzAwNg==