![]() ![]() The primary purpose of lath is to support the plaster. These strips are installed horizontally, with small gaps (about 1/4") between them, to create a framework or lattice on which plaster was applied. Lath consists of thin, narrow strips of wood that are about 1 inch wide and 4 to 8 feet long. Wood lath, often referred to simply as "lath," is a building material historically used as a base for plaster in walls and ceilings. The process is quicker than plastering, and cheaper. Three coats of joint compound is the industry standard for finished drywall for painting. It involves attaching sheets of drywall to the wall or ceiling framing, taping the seams, and applying joint compound, also referred to as 'mud'. ![]() (Which is usually impervious to children) Plaster is applied by hand, and troweled onto the surface. It is applied in layers and dries to form a hard, uniform smooth surface. Plaster is traditionally made from a mixture of gypsum, lime, sand, plaster of paris and water. In the 1950's rocklath was invented (predecessor to drywall) which replaced wood lath. If your home was built in the 1940's (and earlier) its most likely horse hair plaster over wood lath. They have very distinct characteristics and applications, and depending on the age of your home, will largely dictate which wall and ceiling materials are used in your home. Plaster and drywall (also known as gypsum board or sheetrock) are two of the most common building materials used for interior wall and ceiling construction in history. In 2023, 80% of our work was repair work.
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