Lath and plaster walls are much thicker than drywall, so sound waves can’t transfer through them as easily. SoundproofingĪnother great benefit of lath and plaster walls is that they provide amazing soundproofing capabilities. That’s because the air pockets between the layers provide a buffer that protects against heat transfer that can cause structural damage. One of the main benefits of lath and plaster walls is that they offer incredible fire resistance compared to drywall. Well, there are several, including how fire-resistant they are and their soundproofing qualities. Benefits of Having Lath and Plaster WallsĪre you wondering what the benefits of having lath and plaster walls are? Plaster walls often appear very smooth, while the lath boards (thin strips of wood) underneath are visible in certain areas. If it sounds hollow, then it’s likely drywall if it sounds solid, then chances are it’s plaster.Ī quick visual inspection can also tell you whether you have lath and plaster construction or not. To do this, tap the wall surface with your knuckle. Tap Test: A tap test is a simple way to differentiate between plaster and drywall.Thickness: Plaster walls are thicker than drywall, so if your walls are quite thick, this could be an indication that it’s lath and plaster construction.Raised texture: Lath and plaster walls will usually have a raised texture, as opposed to flat drywall.Here are some telltale signs that you may have lath and plaster walls: Knowing what type of wall construction you have is important for upkeep and repairs, so it’s a good idea to familiarize yourself with these types of walls. Identifying Lath and Plaster WallsĪre you curious to know if you have lath and plaster walls in your home? Press a pushpin into the wall if it goes right through the drywall but not into the plaster, it’s likely a lath and plaster wall. The pushpin test is another way to quickly identify the type of wall you are dealing with. They also tend to be more solid than drywall, resulting in a different sound if you knock on them. Plaster walls are usually thicker than drywall and may have jagged hairline cracks in patterns, especially on older structures and in areas of high humidity. This creates a smooth wall surface that can be easily finished. The wood lath provides a framework for the two-part plaster, which is then spread on top of the wood laths. Lath and plaster walls are made of wood lath and plaster, two materials that were commonly used for building homes and other structures until the mid-20th century. If you want to learn how to tell if you have lath and plaster walls, knowing the basics is a great place to start. When it comes to walls, it’s important to know what you’re dealing with.
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