Skip to code content (skip section selection)
Compare to:

You are viewing an archived code

18-28-604.8  Lining installation.
   Linings shall be interrupted at the area of operation of a fire damper and at a minimum of 6 inches (152 mm) upstream of and 6 inches (152 mm) downstream of electric-resistance and fuel-burning heaters in a duct system. Metal nosings or sleeves shall be installed over exposed duct liner edges that face opposite the direction of air flow.