Last night, as I was doing some electrical work, I decided I needed to open a wall up. So I pulled out my utility knife and started cutting out a section; to my surprise, it wasn't drywall (or plaster), but rather some sort of cardboard-like substance. It's about as thick as normal drywall, held up by drywall nails. What is this, and how long ago were people using it? Are there any potential health hazards I should be aware of when working on/around it?
What sort of wall is this?
Sep 03, 2004
2 Replies
Probably homasote, or some other pressed celulose board. If it's making a lot of dust, wear a mask.
Homosote...It makes a fairly good bulletin board material too....See:
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HTH,
Jeff
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