![]() After it is applied, grooves are placed on the surface to give the second coat something to stick to. ![]() The scratch coat is applied thickly and fills the cracks of the slats. This coat is easy to apply and works as a base for the other coats. On top of that lath, you will see three coats of plaster. Recently, the lath has been replaced with a metal mesh to prevent cracking, but wood is still used in some cases. Most walls begin with wooden slats over studs. Drywall has replaced plaster for the most part due to its cost efficiency and easy installation.ĭrywall can be used in minutes, but plaster is another story. It hardens like concrete and mortar does when it dries. Plaster walls are made up of dry materials like sand or lime mixed with water. What Are Plaster Walls? Photo By Stonelace Designs However, some homeowners and builders prefer to use plaster because of its durability and appearance. However, in the late 1800s, gypsum was added to most plasters, permanently changing the way it was used. ![]() Even today, the ingredients have changed depending on where you live. Through the centuries and decades, the ingredients have changed, depending on what has been available. Plaster has been used for thousands of years and can even be found in Egyptian pyramids. History Of Plaster Walls Photo By Ancient Surfaces in New York – image from Ancientsurfaces. You will learn where they originated from, what they are, and how to repair them. The following review is an enlightening guide to repairing and renovating plaster walls. The material is more expensive than drywall, but that’s because it’s cheaper to repair than replacing an entire wall. However, this doesn’t mean plaster walls have become extinct. Drywall has become popular it’s hard to imagine new homes using anything else.
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