Exterior Plaster Wall Removal

General Information

• Exterior plaster is used as an effective insulation material, commonly in the form of stucco. It effectively keeps water from entering the home and is fire and mold resistant. It can last up to 100 years as an exterior surface. The plaster might be applied on top of wood or brick. A wood or metal lath provides the base for the plaster to adhere to. This lath must also be removed to reach the underlying material. Removing exterior plaster involves a careful process to avoid damaging the underlying material.

Safety Precautions

• When broken, exterior plaster can form jagged edges and flying debris. Ensure that you wear proper protective wear before beginning your removal project. Wear leather gloves, a hard hat and eye goggles. You may also want to wear a mask to avoid inhaling the dust from the plaster removal. If you live in an older home, lead may be in the exterior paint, so you should have the paint checked before beginning the project.

Tools and Materials

• You will need a few tools to get started on your project. A hammer and a cold chisel will help you break off the plaster. A pry bar, putty knife or shovel can also be used to help remove the stucco. Use a wire brush to remove residue from the plaster. Use hydrochloric acid to remove any plaster residue from a brick surface. A wheelbarrow will help you quickly dispose of the demolition debris.

Process

• Use a hammer and chisel to break apart large sections of the plaster. Continue hitting the plaster in the same area until you reach the lath. A metal mesh can be attached to the lath. You can remove this lath with metal snips and by using a hammer to remove any nails connecting the mesh to the wooden lath. Remove the lath with a flat-bladed pry bar, removing one plank at a time. Clean any residual plaster debris with a wire brush or use hydraulic acid if the underlying material is brick. Complete one wall at a time until you work your way around the perimeter of the house.