... building, modular house,Steel frame for warehouse, workshop, garage etc, steel beams, other riveting and welding parts.2 ... , thick plates, high demanding in welding, and full completely penetration between flange and webs.6th point,Because ... line number 1 put 6 overhead roll up garage doors 12ft wide by 16 ft tall and ... 9 and 10 put a 12ft by 16ft overhead garage door (That will be 2 one each side of ...