Use joint compound and apply in several thin coats. Spread the compound like butter on toast, skimming off any excess as you go. When dry, sand to a level and even surface. Continue this process as many times as necessary to make a long-lasting and invisible repair.
How to Repair Water Damaged Plaster Walls?
Repairing water damaged plaster walls is an important task that must be done in order to protect your home from further damage. Plaster walls are susceptible to water damage due to the porous nature of the material.
If a wall is exposed to water, the plaster can become spongy, and start to break down. To repair water damaged plaster walls, there are a few steps that you will need to take.
First, it is important to identify the source of the water damage. If the source is a leaking pipe or water run–off from outside, then the water source should be stopped and the area around the wall dried.
If the source of the water is from flooding, then it is important to take steps to prevent further flooding. Once the source is identified and taken care of, it is time to start the repair process.
The first step in repairing water damaged plaster walls is to remove any loose or damaged plaster. This can be done with a putty knife or chisel.
Once the loose plaster is removed, you should check for any other damage to the wall. If the wall is severely cracked or crumbling, then it may be best to replace the entire wall instead of attempting to repair it. The next step