Different types of roofing structure 2d view CAD structural block layout dwg file

Different types of roofing structure 2d view CAD structural block layout dwg file, top elevation detail, roof truss detail, struts detail, welded and bolted joints detail, dimension detail, principal rafter detail, scale 1:50 detail, roofing materaiil detail, purlin detail, main and sag tie detail, plan view detail, section detail, etc.