The term putty is very common when it comes to home painting. Wall putty is a white powdered material that is used to provide a smooth base to walls. It is mainly used for filling cracks and leveling surfaces. Putty in repainting provides a good smooth finish on your walls. It is applied on walls and ceiling before applying primer and paint.
The purpose of wall putty in repainting and its types:
Purpose
- To fill in the hairline cracks or pores on the wall surface.
- To create a uniform, leveled-out surface ready for painting.
- To prevent or reduce water seepage/absorption.
Types
There are basically two types i.e., white cement and acrylic wall putty. Let us understand the basic difference between the two.
| Cement | Acrylic | |
| Description | It is white cement, mineral, and polymer-based putty | It is an acrylic and water-based ready-to-use putty specially formulated to prepare smooth wall surfaces for painting. |
| Application | Interior, Exterior, Ceiling | Interior and ceiling |
| Binding | Good Binding Property | Lower binding than cement putty |
| Strength | High strength due to cement | Comparatively low strength |
| Dilution | Dilution is required | It’s ready to use |
| Drying Time | 7-8 hours | 4-5 hours |
| Finish | Matt Finish | Glossy Finish |
| Shelf Life | 6 months | 1 year |
Why is wall putty essential prior to painting?
Putty application is a primary step for long-lasting painting results. It’s very important if you are doing a fresh painting.
Why are we using wall putty in repainting?
A minimum of 2 coats are suggested for putty in repainting. During repainting, if your walls are in good condition putty need not be applied everywhere but touch-up can be used where it is required. If you are using paint with a sheen finish putty will be required for the desired finish.
Acrylic will be best in the case of repainting while cement putty will be useful in fresh painting.
There are many common brands of putty like Birla, JK, and Asian Paints white cement putty. Putty can be applied after sanding has been done and the dust particles are removed.
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