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36 votes
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Why should you add dry mix to water and not the other way round

Yes, there is a very good reason. If you add water to dry mix in the bottom of the container, you get a nearly impossible to incorporate glob of the dry mix at the bottom. On the other hand, if you ...
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16 votes
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Re-do paint over plaster in bathroom: How to feather/match?

Here's how you get paint to stick to things. Scuff-sand. Paint cannot bond to a shiny surface; don't take my word on it, try to paint a mirror and see what happens. Paint wants to see a surface ...
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14 votes

Why should you add dry mix to water and not the other way round

From Chemistry: "Do like you oughtta: add acid to water" . Besides the "glop" problem mentioned in the answer, there is almost always released heat when dissolving something in ...
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8 votes

Is this plaster over gypsum wallboard?

What you see there is a hybrid gypsum/plaster from the 1950s. It represents a transitional stage between traditional wood lath and plaster to modern drywall techniques. You'll probably find metal lath ...
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  • 106k
8 votes

Re-do paint over plaster in bathroom: How to feather/match?

I have fixed paint similar to this in my current house. There were large areas where I could peel it off back to the plaster by hand or with a scraper. Your builder's first coat has failed to adhere ...
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  • 593
7 votes

Is plastering a job best left to the professionals?

If you have failing plaster and lathe interior walls, the process is a bit more complicated than just troweling on some new top coat plaster. The scratch coat, or first coat that bonds with "keys" ...
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7 votes

Are these asbestos fibers in my plaster?

Often, people talk about “old-fashioned horse-hair plaster,” but the binding agent in old plaster walls was more commonly cattle hair. -searshomes.org I am reasonably sure it's not asbestos.
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  • 12.8k
6 votes
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Why did my plaster walls stop half inch above floor and expose room to wall cavity?

Old houses that had interior plaster as a finish had what they called a plaster stop to control depth of the plaster. This was usually a strip of 3/4 wood at bottom of wall and around doors and ...
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6 votes
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Repairing broken plaster

It looks like there is more damage likely hidden under the plaster and the wood members there would be structural. You should remove the plaster to get to and repair this damage or verify that there ...
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  • 5,581
5 votes
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Types of floats and trowels for concrete

In my years in the construction trade, here is my synopsis of concrete floats and trowels and their uses. I will start with the screed. A screed can be as simple as a short piece of framing, 1X3 or ...
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  • 31.3k
5 votes

Can I repair a plaster ceiling with drywall?

Depending on the thickness of the existing plaster, a drywall patch with suitable support behind it (with "mud" or patching compound over it to merge the edges with existing plaster and achieve a ...
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  • 16k
5 votes
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Is it safe to use old wood lath from demolition as firewood?

There might also be asbestos in the plaster and contaminating the lath. Did you have the wall tested prior to demolition? (I'm guessing no) You may have to be very careful with this material and ...
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5 votes
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How to patch a wood lath plaster rounded corner?

Since this got ZERO love, and I have finished the job, figured I would post what I did. Simply bought some wire mesh from the local home goods store, and screwed it directly into the wood lathe ...
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5 votes

Is this plaster over gypsum wallboard?

The term for that drywall like product to my knowledge has been called "rock lath". All the demo I have done in remodeling, the sheets are/were 3/8" thick and 16" tall by 4 ft. wide. Before rock lath ...
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  • 31.3k
5 votes

What is the best way to fix broken OLD plaster in a very old house?

tear it all down, replace with regular sheetrock / drwywall.
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  • 540
5 votes

How do I fix these gaps where the socket plates don't cover?

The best approach is to fix the plaster and paint. Some other ideas: Install oversize device plates. Since you have nice stainless-steel plates now, this will be more expensive, but it would be quick ...
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  • 106k
5 votes

What kind of wall material produces orange dust, and how should I work with it?

Looks like brick dust. As for the other two holes, they probably went into the mortar joint between two bricks.
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  • 21.2k
5 votes
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Remove plaster from brick

I used a wire brush, scraper and a hammer & chisel. Choose wisely depending on how the plaster comes off.
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  • 21.2k
5 votes
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Mount TV to drywall with very little clearance

I don't think you can mount an articulating arm on this wall. An articulating arm must be mounted firmly in studs. Aside from finding the studs, you'll have two other problems: Your screws need to ...
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  • 17.7k
4 votes

Should we skim-coat or drywall over a textured plaster wall to smooth it out?

I would not add drywall over plaster, as the guy said before. You have to not only look at the depth of electrical outlets, but now your door jambs are the wrong size, and window sills and trim will ...
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  • 41
4 votes
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How can I get a reasonable plaster finish in an awkward recess?

I'd use joint compound, and smooth it in with a putty knife as smoothly as possible. Then, when it's dry, use a damp sponge to smooth it over to a paintably smooth surface.
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  • 2,541
4 votes
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Are there differences to drywall joint compound and plaster?

There are huge differences. I am sure a professional tradesman can go over the exact specifics but here is my common man take (even though I have drywalled too many houses to remember): plaster ...
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  • 46.2k
4 votes
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Plaster Wall Ice Damming Water Damage

Before you attempt to repair it, make sure that the cause of the ice dam has been fixed. You may need to insulate the ceiling, and/or add a styrofoam vent baffle to the inside of the roof to prevent ...
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4 votes

How to sand plaster corner using oscillating tool?

I would forget about power tools and get a 1" chisel. Trace out the area with pencil and shave out the area with the chisel. You're talking about a very small area so it shouldn't take long. ...
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  • 55.1k
4 votes

Why would these wires be stored this way?

It's certainly not appropriate nor legal to bury a junction box inside a wall. That should never have been done. I agree with JACK that this looks like pretty normal chain wiring: one of the larger ...
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4 votes
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Did my painter do a bad job making the ceiling flat after removing popcorn ceiling?

I'm not an expert on this but that ceiling looks pretty bad. Your big mistake was getting a painter to repair the ceiling and not a plasterer. Painters can patch but doing an entire ceiling takes a ...
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  • 55.1k
4 votes
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Leak from contractor work on toilet damaging plaster ceiling below (US)

Not superficial. Tear out and replace. Hope you don't have to take them to court to make that happen on their dime, but you might. There may be other avenues if they don't offer to do the right thing ...
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  • 136k
3 votes
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Can I stud out a wall without removing the plaster

Freestanding steel studs are fine (assuming they are anchored to a sill and top plate). Steel studs anchored to the furring strips are fine. Why wouldn't steel studs anchored to the furring strips, ...
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  • 33.1k
3 votes

Repair long narrow gap in plaster

Since it's too small to fit a piece of drywall, I would fill the gap with setting-type joint compound embedded with fiberglass mesh. It may take two or three coats to fill the gap. After it's filled,...
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  • 4,392
3 votes
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What should I use to repair plaster in a bathroom?

There are a few options that can be used to repair this damage. You can use standard joint compound (non-lightweight), and apply it in thin coats to avoid cracking due to shrinking, joint compound ...
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