| 摘要 |
PROBLEM TO BE SOLVED: To provide a building board capable of making a joined part of adjacent building boards inconspicuous.SOLUTION: A building board A has a long recessed groove 3 that is formed on a surface of a substrate 1 so as to be substantially parallel to a longitudinal direction of the substrate 1. A long linear pattern 4 is formed on the surface of the substrate 1 by printing in a direction orthogonal to a longitudinal direction of the recessed groove 3. |
