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Rick, General Contractor
Category: Home Improvement
Satisfied Customers: 19158
Experience:  Licensed construction supervisor with 35+ yrs. experience.
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I was wondering what these shiny flecks are in my plaster.

Customer Question

Hi, I was wondering what these shiny flecks are in my plaster. The home is 116 years old and this picture was taken when I took the vent off. You can see layers of tile, then mortar then the metal of the vent. If you can see in the mortar there are some very tiny shiny specks. Is this typical of plaster? What is it?
Submitted: 23 days ago.
Category: Home Improvement
Expert:  Rick replied 23 days ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

Most likely it's mica that's common in sand which was a constituent of the scratch coat layer it's in. Nothing to be concerned about.

Expert:  Rick replied 23 days ago.

This is typical of one plastering method that was pretty common in that era.

Customer: replied 23 days ago.
Okay- it doesn't look like asbestos?
Expert:  Rick replied 23 days ago.

Asbestos doesn't look anything like that. It's fibrous and most of the time you can't see the fibers.

Expert:  Rick replied 23 days ago.

Do you have any more questions?

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