Machan Nugegoda Cesco eke thiyanawa Tapecrete kiyala product ekak...issella oya paint/putty layer eka remove karanna..plaster ekatama, ilangata tapecrete 2 coats 2times apply karanna... ita passe oka internal wall ekaknam exterior putty (waterproof) eken karala , weather shield 2 coats karanna.