![]() Now, lath and plaster construction are no longer commonly used, as modern materials like plasterboard and drywall offer faster and more efficient ways to build walls and ceilings. Metal lath is another option, providing a more stable base for plaster. ![]() This was mainly due to the natural moisture content in wood causing expansion and contraction. Traditional lath and plaster jobs used wood lath, which varied in quality and could cause problems, such as cracking when poor-quality wood was used. The construction method fell out of favour with the introduction of plasterboard in the UK in the 1930s and the subsequent rise of drywall in North America. While lath and plaster have been used for centuries, the combination of wood lath and lime plaster became prevalent in the UK and North America from the 18th to the mid-20th century. When applied to the wood lath, the plaster forms a solid, durable surface with some insulation, fire resistance, and soundproofing properties. The hair adds tensile strength, holding the plaster together and helping to prevent shrinkage or cracks. The lime plaster commonly used with laths is a mixture of lime putty, aggregate, water, and animal hair (often horsehair). These strips are usually nailed to studwork or ceiling joists, creating a base for the plaster application. The lath is a series of narrow strips of wood, typically made from split timber or sawn soft or hardwood. The system comprises two main components: the lath and the plaster. Traditional lath and plaster is a building technique for constructing walls and ceilings. What Is Traditional Lath and Plaster Components of Lath and Plaster Thus, understanding lath and plaster is a fascinating look into the history of construction and may also provide valuable insights for your home renovation projects.Īn example of how lime plaster “hooks” onto laths from behind. It provides superior sound and heat insulation while more adaptable to irregular or curved spaces. Though lath and plaster walls are often associated with older buildings, pre-dating the 1940s, this technique still offers some benefits over modern drywall methods. It then accumulates on the opposite side and forms plaster hooks that hold it in place as it dries. As the wet plaster is applied over the laths, it works through the gaps in the wood. This hair adds tensile strength, holding the plaster together and helping to prevent shrinkage as it dries. The plaster used in lath and plaster construction is a mixture of lime, aggregate, water, and sometimes animal hair, such as horsehair. These laths are then coated in plaster, creating a smooth and durable surface for your home’s interior. They are nailed horizontally across the wall studs or ceiling joists. ![]() This method consists of narrow strips of wood called laths. Traditional lath and plaster is a construction technique used for centuries to finish interior dividing walls and ceilings. Laths before the plaster has been applied.
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