Prepare the wall or other surface to be plastered. Make sure the wall is free of impurities and moisture, and is not too smooth as this will prevent proper adherence of the plastering materials. Decide whether an adhesive wall coating is called for, especially if the wall is damp or very porous.
DADOS FORNECIDOS PELA ESCO (COMISSÃO EUROPEIA) E O*NET (DEPARTAMENTO DO TRABALHO DOS EUA)