How To Repair A Plaster And Lath Wall

How to Repair a Plaster and Lath Wall

Repairing plaster and lath walls is an important skill for homeowners who want to maintain their historic homes. Plaster and lath walls are made of plaster that is applied over wooden laths. Over time, these walls can become damaged and need to be repaired. There are several essential aspects to consider when repairing plaster and lath walls, including the type of damage, the materials needed, and the steps involved in the repair process. This article will provide a comprehensive guide to repairing plaster and lath walls, covering each of these essential aspects in detail.

Assessing the Damage

The first step in repairing a plaster and lath wall is to assess the damage. This will help you determine the extent of the repair and the materials you will need. There are several common types of damage that can occur to plaster and lath walls, including:

Cracks: Cracks are the most common type of damage to plaster and lath walls. They can be caused by a variety of factors, including settling, moisture, and temperature changes.
Holes: Holes can be caused by nails, screws, or other objects that have been driven into the wall. They can also be caused by water damage or rot.
Bulges: Bulges are caused by moisture or water damage that has caused the plaster to separate from the lath. They can also be caused by structural problems with the wall.

Materials Needed

Once you have assessed the damage, you will need to gather the materials needed to make the repair. These materials include:

Plaster: Plaster is the material that is used to repair plaster and lath walls. It is available in two forms: dry plaster and patching plaster.
Lath: Lath is the wooden material that is used to support the plaster. It is available in a variety of sizes and thicknesses.
Water: Water is used to mix with the plaster to create a paste.
Tools: The tools you will need to repair a plaster and lath wall include a trowel, a putty knife, a hammer, and a nail set.