The fibres on the right are asbestos, those on the left are animal hairs. No, it is plaster with animal hairs in it, probably pig or cow hair. If you see crumbling, cracks, or water damage, or if the plaster has been sawed, scraped, or sanded, it may be releasing asbestos fibres. Even if the plaster does contain asbestos, this is not a health risk as long as it is in good condition. The plaster is composed of three elements lime, aggregate, water and animal hair, which is mixed together shortly before applying to the lath.Ĭonsidering this, how do I know if there is asbestos in my plaster? Brushing or sweeping horsehair plaster dust releases potentially dangerous particles into the air.Īlso Know, what is horse hair plaster made of? Horsehair plaster is a relatively simple mixture and application process. Safe removal of horsehair plaster requires stringent safety precautions. Horsehair plaster is potentially dangerous because it may contain anthrax spores or asbestos, according to Asbestos Watch and Bricks & Brass. It’s for your own best interest.ĭoes horse hair plaster have asbestos in it? They say that if you’re in doubt, always treat the plaster surfaces as if they are contaminated with asbestos and have them sampled and analysed by a trained professional. The EPA gives advice every homeowner should heed. If you think your walls may be contaminated with asbestos, it’s best to have them tested. It’s the light-colored fibres you want to look out for. Asbestos tends to be light-colored fibres. In fact, many professionals say that if the plaster on your walls has a lack of dark horse hair fibres, there’s a good chance the plaster may be contaminated with asbestos. Unfortunately, it was later discovered that asbestos could cause health problems and damage to our environment.Īlthough asbestos can be found in horsehair plaster, most of the time horsehair plaster doesn’t contain asbestos. In addition to all of this, asbestos in plaster also made the plaster cover stains and imperfections in the wall that much better. Popcorn plaster was popular because it was very simple to apply, it was inexpensive, and it could be applied very fast. Popcorn ceilings were the most popular form of asbestos in plaster. Why? First, asbestos helps make your plaster stronger, more sound absorbent, and fire-resistant too. Many builders over the years have mixed in asbestos into their plaster for several reasons.
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