The material is safe and can be used in any industrial, office and residential premises, including schools, kindergartens and nurseries. Reinforcement of the wall It is intended for reinforcing walls and ceilings. It prevents cracks in plaster. And in this case it is a base coat, not a finishing coat, like glass fiber wallpaper. https://community.wongcw.com/blogs/1130426/A-Homeowner-s-Guide-to-Bathroom-Renovations