What Is Putty For Walls. There are many uses for wall putty, most commonly it for lime wash coated walls, it is recommended that you scratch it off using a paint scraper or just sand paper. Wall putty can fill in small cracks and holes, and adding a couple thin layers over the wall will improve its appearance and help paint adhere better.
Wall putty is based on cement.
Let's first understand, what is wall putty and why it is necessary. What it successfully does is that the. Main functions of a wall putty are as follows: Wall putty serves purposes like leveling of wall surfaces, and being a protective base for expensive paints and many more.