Patent ID: 7918065

Claim:
A fastening member for fixing a siding board on a framework of a building wherein lateral joint portions of the siding board are disposed in a portion where no vertical member is provided on the framework, the fastening member comprising a long fixing plate portion fixed on at least one vertical member, a first fastening portion having a fixture for supporting and engaging an upper end portion of the lateral joint portions of the siding board and a lower end portion of the siding board thereabove on the front surface of the long fixing plate portion, a first vertical rising portion for preventing displacement disposed in the lateral joint portions of the siding board below the first fastening portion, a second fastening portion having a fixture for engaging the upper end portion of the siding board other than the lateral joint portions and for supporting and engaging the lower end portion of the siding board other than the lateral joint portions on the front surface of the long fixing plate portion, and a ventilating spacer provided in the first fastening portion and second fastening portion and nipped between the long fixing plate portion and each of the fastening portions, respectively, wherein said ventilating spacer has a bent portion which is perpendicularly bent from each side of an approximately rectangle-shaped metal plate rearwardly, and an opening portion in an approximate center, and further the bent portion has a reinforcing rib which is the metal plate locally deformed and a reinforcing protrusion in the opening portion.