| The two most common interior wall surfaces are gypsum wallboard, usually referred to as drywall or gyp board, and plaster. |
| Fasten the corners of the gypsum lath or wallboard to the existing lath behind the plaster. |
| If you have gypsum wallboard, avoid pressing too hard or you will cut through its paper facing. |
| However, of these, only gypsum wallboard and asphalt paving report price gains in the double digits. |
| It mixes manure with recycled materials like cement or lime kiln dust, coal ash from electric power plants, and gypsum. |
| Drywall, often called gypsum, wallboard or sheetrock, is made of a crumbly fire resistant substance called gypsum. |
