Construction finishing wall joint treatment construction method

摘要

PROBLEM TO BE SOLVED: To finish a wall material cleanly without causing color difference, cracking, etc., on the wall material for building finish applied through a joint surface part of a plaster board surface as a backing. SOLUTION: A kraft paper material 1 having the same rate of water absorption and rate of shrinkage as plaster boards 2A, 2B is stuck on a joint surface part P of the plaster boards 2A, 2B attached on a surface of a backing 2. This kraft paper material 1 is stuck by applying vegetable starch paste 3 immediately before joint treatment after previously applying the vegetable starch paste 3, leaving it for a while and keeping it to expand. Additionally, the kraft paper material 1 is processed thin to 50 g-80 g per one meter square.