24 Assembly of ventilation ducts using LS joints How to attach the sectional frame to the duct • Place the duct in a vertical position. • Start by attaching the sectional frame in a corner. • Try to keep the sectional frame parallel with the duct side when fitting. • The sectional frame is hammered down over the duct end.
RkJQdWJsaXNoZXIy NzAwNg==