| abstract |
(57) [Abstract] [Purpose] To provide a method for manufacturing a composite construction material, in which the surface of the ornamental material is beautiful, the surface accuracy is excellent, and the joint portion has a uniform depth, which gives an excellent appearance. [Structure] On the flat surface of the cement plate shaped body, A method for manufacturing a composite construction material, which comprises bonding using a self-leveling material having a flow value of 100 to 300 mm. |