Abstract: A plastering system and method are provided capable of disengaging plaster of a wall. The system comprises an intermediate member (10) having two surfaces provided with plurality of spaces facing at least one of the two surfaces and flanges adapted to connect the intermediate member to the wall. The intermediate member is attached to the wall while the plurality of spaces is adjacently facing the wall allowing solid crystals from the wall to accummulate within the spaces. The plaster (20) is spread onto the other surface of the intermediate member.