YX66-394-788 roof panel is a 360-degree seaming color steel roof panel with no screw leakage on the surface, excellent waterproof performance, sliding support connection, quick and convenient construction, and can effectively prevent deformation caused by thermal expansion and contraction .

Effective width(mm)	Expanded width(mm)	Metal thickness(mm)	Moment of inertia of section(CM⁴/m)	Section resistance moment(CM³/m)	Application
788	1000	0.6	37.53	12.41	hiddenRoof panel
		0.8	49.71	6.52