
03/15/14, 08:23 PM
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Join Date: May 2002
Posts: 9,511
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There are different types of plaster used in old homes.
The base coat is sand, hydrated lime, and often horse hair to act as a binder.
The top coat, generally speaking, doesn't have sand or horse hair.
I would be worried about the lead based paint used on the plaster. I certainly would not put it on my garden.
Most people blow off and mock the warnings about lead based paints, but if you ever pick up a 120 year old book and study exactly how much lead was used in paint, you'd be cautious too. A good quality outdoor paint had as much as 9 pounds of lead oxide per gallon.
From what I understand, garden plants can absorb lead from the soil. Do you want your kids eating veggies laced with lead?
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