Metal expansion joints are heavier and may involve Specific handling and transportation criteria. 15. Use two wrenches when tightening bolts. When tightening the back again up rings of rubber flanges, tighten bolts in cross pattern sequence till the rubber flange bulges uniformly concerning the back up ring as well as https://griffinlidwq.total-blog.com/the-smart-trick-of-universal-expansion-joint-illustration-that-no-one-is-discussing-64492926