Plaster only has to be comprised of 1% asbestos to be considered an asbestos containing material (ACM) and therefore a health hazard. Usually asbestos was only added to walls that were fire rated, such as elevator shaft walls and the walls in commercial buildings. Most houses don’t have asbestos plaster in them.Click to see full answer. Considering this, when was asbestos used in plaster walls?Most types of asbestos-containing plaster were manufactured between 1942 and 1974. If your house was built or renovated during that time, it’s a good idea to have it tested. That said, asbestos was used in stucco and drywall as early as 1910, and use continued at a slower rate until at least the early 1980’s.Secondly, should I replace lath and plaster with drywall? Because replacing a lath and plaster wall with drywall will involve a lot of time, money, dust, and debris, the most practical option is to replace it only when necessary. Fortunately, minor issues with lath and plaster walls are repairable, and even doable by DIY work. In this manner, how do I know if my plaster walls have asbestos? How to Identify Asbestos in Plaster Obtain the date of your building’s construction. If you do not already know this date, ask your landlord for the information. Look for damaged or crumbling plaster. Examine the texture of your plaster. Examine the style of your building. Call an asbestos control expert if you believe your plaster may contain asbestos. Why was asbestos used in plaster?Asbestos in Plaster. Asbestos was used in plaster to help insulate buildings and increase fire-resistance. Unfortunately, this put people at risk of developing asbestos-related diseases, including an aggressive cancer called mesothelioma.
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