How do you tell if you have plaster walls or drywall?

Also question is, can you drywall over plaster walls?

If the plaster walls in your home areunattractive or too costly to repair, you can cover themwith drywall and start fresh. Scrape any crumbledplaster off the lath and fill the resulting hollow with apatch of drywall. Once old plaster is stabilized, thewalls are usually sound enough for newdrywall.

Also Know, what is the difference between plaster and joint compound? The plaster itself consists of a mixture of limeor gypsum, an aggregate such as sand, and water. The plasteris troweled onto the wall surface wet, and when it dries, it formsa very hard, durable surface. Plaster sets quickly and isgenerally more difficult to work than joint compound orpatching compound.

Beside this, when did they stop using plaster walls?

Lath and plaster largely fell out of favour inthe U.K. after the introduction of plasterboard in the 1930s. InCanada and the United States it remained in use untildrywall began to replace the process in the 1950's.

How do you hang things on plaster walls?

Method 2 Medium to Heavy Pictures

1. Determine where to hang your picture.
2. Place painter's tape over the mark.
3. Place another bit of tape below the hole.
4. Carefully drill a hole into the plaster.
5. Hammer an anchor into the wall.
6. Fix the screw into your anchor.
7. Clean the area.
8. Hang up the picture.