CONSTRUCTION METHOD FOR RIDGE MATERIAL

摘要

PROBLEM TO BE SOLVED: To easily hoist a ventilating ridge material by a wrecker and easily dispose the ventilating ridge material in a designated fitting position. SOLUTION: A traveling jig 3 removably fitted to the lower surface side of the ventilating ridge material 2 is received by a ridge part with the ventilating ridge material 2 pointed in the direction of the ridge line, and traveled along the ridge line to thereby dispose the ventilating ridge material 2 in a designated fitting position of the ridge part.