Hair for Plaster Reinforcement
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johnleeke
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Joined: 20 Aug 2004
Posts: 2937
Location: Portland, Maine, USA

PostPosted: Sun Apr 22, 2012 11:06 am    Post subject: Hair for Plaster Reinforcement Reply with quote

Cattle hair, horse hair, goat hair and deer hair have been used traditionally. Most hair that you see in old plaster is goat hair. Human hair was not traditionally used because the hair shaft has smooth surfaces. Some animal hair has scales or ridges that the plaster can bind onto. If you look a different hairs under a microscope you will easily see the difference. Plaster does not bind as well to human hair. On one project we used cocker spaniel hair and it work just fine. I don't know about other breeds of dogs and their hair.

Hair should be cleaned (de-oiled, de-greased) before using in plaster. A repeated wash and rinse with a mild detergent and potable works well.

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Don Wagstaff



Joined: 09 Sep 2010
Posts: 100

PostPosted: Sun Jul 22, 2012 1:30 pm    Post subject: Reply with quote

Hello,

Horse hair is the handiest for the reason that it is not by nature oily and so not in need of any preparation before hand. Cow hair, dog hair are examples of hair in the oliy catigory, human too perhaps. Goat hair's propably good but raindeer hair is better.

Greetings,

Don Wagstaff
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