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> OT- How do you seperate plaster from brick?
alpha434
post Jan 17 2008, 01:11 PM
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What's the easiest way to get it off? Sandblasting? Or just chipping?

I tried the latter, and its taking fooooorrrrreeeeeevvvvvveeeeerrrrrrr.

Ugh!

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Also, Jon Bovey. Bon Jovey. I hate being dyslexic.
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TeenerTim
post Jan 17 2008, 01:17 PM
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QUOTE(alpha434 @ Jan 17 2008, 02:11 PM) *

What's the easiest way to get it off? Sandblasting? Or just chipping?

I tried the latter, and its taking fooooorrrrreeeeeevvvvvveeeeerrrrrrr.

Ugh!

(IMG:style_emoticons/default/headbang.gif)



(IMG:style_emoticons/default/laugh.gif)
Also, Jon Bovey. Bon Jovey. I hate being dyslexic.

Try using a pressure washer with a very aggressive nozzle. I've used them to remove dried concrete spatter after a messy pour. You'll probably have to break the surface with a hammer so the water can get under it.
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alpha434
post Jan 17 2008, 01:20 PM
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Oh yeah. I might mention that it's indoors.

A pressure washer might get real interesting real fast.
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SirAndy
post Jan 17 2008, 01:50 PM
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hammer and chissel ...

takes a while, but works well ... i've done many, many, many walls that way ...
(IMG:style_emoticons/default/smash.gif) Andy
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messix
post Jan 17 2008, 01:55 PM
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maybe a air hammer with a small pin scaler on it
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alpha434
post Jan 17 2008, 02:00 PM
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Troy, I like it. I may try that.

Andy, it's nice to know that I'm not an idiot for trying it that way!
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messix
post Jan 17 2008, 02:04 PM
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i'm not sure what is available, be carefull you could damage the brick. maybe work at an angle to reduce damage.

is this actual plaster or mortar? how thick?
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alpha434
post Jan 17 2008, 02:09 PM
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Horsehair plaster. Vintage 1928.

About .625 thick.
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messix
post Jan 17 2008, 02:10 PM
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CRAP!

good luck! glad it's you and not me!
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alpha434
post Jan 17 2008, 02:21 PM
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I'm just glad it's not asbestos based.

You should see the PPE I wear when I'm tearing into the crap.

I go in there with a full chemical respirator. And wearing a tyvek chemical protection suit. And goggles.

I came out after knocking a wall down, and heard a knock on the door. It was the neighbors, coming to welcome me to the neighborhood.

They looked at me a little funny when I opened the door, ready for nuclear winter.
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messix
post Jan 17 2008, 02:31 PM
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QUOTE(alpha434 @ Jan 17 2008, 12:21 PM) *

I'm just glad it's not asbestos based.

You should see the PPE I wear when I'm tearing into the crap.

I go in there with a full chemical respirator. And wearing a tyvek chemical protection suit. And goggles.

I came out after knocking a wall down, and heard a knock on the door. It was the neighbors, coming to welcome me to the neighborhood.

They looked at me a little funny when I opened the door, ready for nuclear winter.

if it were asbestos you wouldn't be doing it! big fines!

your a good kid alphy, it's great to see you way ahead of kids your generation.
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So.Cal.914
post Jan 17 2008, 02:42 PM
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You could try some Lime-a-way to soften it up, I don't think I would try

muriatic acid if you don't know what clay the bricks are made of. Lots of

lime in plaster.
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sww914
post Jan 17 2008, 03:29 PM
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You could try throwing cold water on them




Oh, wait, that only works on dogs and people.
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PeeGreen 914
post Jan 17 2008, 04:20 PM
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Hey dislexic boy (IMG:style_emoticons/default/biggrin.gif) Yes, I've heard that a few times in my life. The air hammer thing is most likely the best bet. I remember doing this for my dad when I was sixteen, and I just used on of the hammers that has a blade looking thing on it. Hit the brick just right with the blade and it comes right off...kinda.

Good luck
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alpha434
post Jan 17 2008, 04:20 PM
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I may try the lime-away.

I was thinking about using the cold water trick when I was meeting my neighbors.
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alpha434
post Jan 17 2008, 04:22 PM
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I've been using a masonry hammer.

It's just time consuming. And I can't beat it too hard. It's an outside wall.

Ugghhh. Building techniques were so fiddle-fuched 75 years ago.
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PeeGreen 914
post Jan 17 2008, 04:25 PM
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QUOTE(alpha434 @ Jan 17 2008, 02:20 PM) *

I may try the lime-away.

I was thinking about using the cold water trick when I was meeting my neighbors.


Are they good looking? Or is the cold water for throwing on them?


They built things very well for what they had really. That's why it is such a pain (IMG:style_emoticons/default/biggrin.gif)
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rhodyguy
post Jan 17 2008, 04:30 PM
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Chimp Sanctuary NW. Check it out.
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the wider faced chisel the better. the paster should come off in bigger pieces. they're pretty cheap at most home centers. will the masonry be exposed? if so walnut shells will clean it nicely and provide a uniform appearance. hopefully you won't have to retuck the mortar joints. that will make paster removal seem like a walk in the park.
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rick 918-S
post Jan 17 2008, 04:32 PM
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What are you trying to accomplish? Are you trying to have an exposed brick finish when your done or are you planning to build a framed, insulated wall...or?
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alpha434
post Jan 17 2008, 04:36 PM
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May go and buy a wider chisel.

Heard about the walnut shells.

The masonry may be exposed. I haven't decided yet.

Tearing into this wall, and realizing that it's plaster on brick was slightly unanticipated. I've got a really interesting design concept for the house, similar to ice hotels in that the living quarters will be temperature controlled separate from the rest of the house.

This may throw a kink in the works because it's a bedroom, and I plan on insulating the hell out of 'em. But it may be ok because it's going to be the guest bedroom and 1) if it's too comfy, I may not be able to get rid of people. and 2) I won't have guests over too frequently, so it still might be cost effective to heat, if the room is only in heavy use 2-5% of the year.
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