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Old 12-12-2009, 05:06 PM   #1
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Mudding and painting plaster


It took 2.5 days to remove every drop of wallpaper from my new home. Unfortunately in the kitchen the wallpaper brought along some of the paint from the old plaster walls. I know for sure the old walls had at least 2 layers of paint. One wall is definately worse than the other. Some of the flaked areas are only the size of a quarter. And filling that void with spackling is easy. But the one wall has an area about 3'x5' that the paint has come off. I thought about scrapping the rest of the paint off but some of it is really bonded. I got a 14 inch drywall knife and tried to skim coat it. The problem is Im a drywall newbie and I'm haivng a heck of a time getting consistant coverage. I bought a pole sander and some sanding screens and have gone over it a few times. It look better but I'm afraid that after painting it will look like crap. Any tips?

Also, most of the paint that was used on the walls looks like semi-gloss. I've spackled nail holes and some inconsistencies on those walls. But after I sand them they will have a different texture than the rest of the walls. Should I take my sanding screens and go over the entire wall even in areas I didn't spackle? I plan on using a good primer like 123 before i put on the next coat of paint.

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Old 12-12-2009, 05:32 PM   #2
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Mudding and painting plaster


Spackle is the work of the devil. It is great for patching holes in dorm rooms and student apartments only and unstriped toothpaste works as well should your kids need to know. It has no stability and you cannot work it. Toss it and get some decent drywall compound---either in a bucket or the hut mud stuff you mix yourself. If you have deep things to repair, use real plaster on plaster walls.

You are on the right track with a nice wide blade and hopefully a tray to match? It just takes some practice. Nice compound will make things easier.

If there is a chance of glue residue, I would prime with something other than cheap worthless crap like 123. I would use Benjamin Moore Fresh Start alkyd if you can buy it where you are and can work with solvent based products. I would use the Ben Moore latex equivalent or MAB/Sherwinn Williams Superbonding primers if not. Just betting Chris, who posts on here often will recommend Gardz which is great too over possible wallpaper paste situations on old walls.

Up to you what you want your walls to look like and how much you go over them with the sanding poles. The finish will not fix flaws you missed in prep so spend the time and do it right in my opinion. If you took the time to strip all the wallpaper you obviously have patience for doing things right?


Last edited by user1007; 12-12-2009 at 05:37 PM.
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Old 12-13-2009, 05:09 AM   #3
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Just betting Chris, who posts on here often will recommend Gardz which is great too over possible wallpaper paste situations on old walls.

Saved me some typing, thanks!
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Old 12-13-2009, 06:40 AM   #4
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Mudding and painting plaster


Thanks. Maybe I should'nt have used the term spackle. I was using it genrically. I am using drywall compound that I bought at Lowes that comes in a 3 or 5 gallon bucket. I'm using a 14", 12" and several smaller knives and I am using a nice wide tray. There are some glue resudues that have some texture to them that I was hoping I could sand off with a screen to make the surface texture similar to my skimcoated texture. I'm all for buying a good primar. You mentioned Gardz? Anywhere in particular I can purchase this? Is this a Zinsser product?

Edit, Just googled Gardz and noticed it is made by Zinsser. Sounds kind of like BIN to me. Are they similar?

Last edited by speedster1; 12-13-2009 at 06:46 AM.
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Old 12-13-2009, 06:53 AM   #5
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A real paint store should have or be able to get Gardz.
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Old 12-13-2009, 06:02 PM   #6
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Well today was a trying day indeed. I borrowed a shop vac vacuum sander from my buddy and screen sanded the walls. At first I thought it was working great until I realized that the shop vac was blowing a lot of the dust out of the blower and onto my kitchen cabinates. I took a closer look and the filter paper that wraps the intake came undone. I cleaned it as good as I could and it still seemed to throw dust out the back . So I decided to just use a standard pole sander and it worked well. However the dust was rediculous. But at least it fell straight down near the walls. Unfortunately my attempt at sucking the dust up with a shop vac led to more flying dust. Not sure what is wrong there.

Should I wipe down the walls that I've sanded before remudding? I tried with a towell but I'm not sure how good it really did.

After sanding this morning I spent the rest of the day remudding places I missed and places that needed more help. I'll repeat the same routine tomorrow and hopefully I'll be closer to painting.
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Old 12-14-2009, 05:33 AM   #7
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Quote:
Originally Posted by sdsester View Post
A real paint store should have or be able to get Gardz.
My local Lowe's has it in the wall paper section $19.95 ( not that I shop at Lowe's but they DO have bargains on wall paper paste sometimes)

Last edited by chrisn; 12-14-2009 at 05:40 AM.
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Old 12-14-2009, 05:39 AM   #8
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Quote:
Originally Posted by speedster1 View Post
Well today was a trying day indeed. I borrowed a shop vac vacuum sander from my buddy and screen sanded the walls. At first I thought it was working great until I realized that the shop vac was blowing a lot of the dust out of the blower and onto my kitchen cabinates. I took a closer look and the filter paper that wraps the intake came undone. I cleaned it as good as I could and it still seemed to throw dust out the back . So I decided to just use a standard pole sander and it worked well. However the dust was rediculous. But at least it fell straight down near the walls. Unfortunately my attempt at sucking the dust up with a shop vac led to more flying dust. Not sure what is wrong there.

Should I wipe down the walls that I've sanded before remudding? I tried with a towell but I'm not sure how good it really did.

After sanding this morning I spent the rest of the day remudding places I missed and places that needed more help. I'll repeat the same routine tomorrow and hopefully I'll be closer to painting.

Sounds like your filter is clogged or you are in need of a better shop vac. Keep mudding and sanding till you think you are done, after you prime you will see more that you missed. Re mud, sand, clean and hit it with your first finish coat. You will again see more that you missed. Re mud, sand, clean, hit those areas with you finish paint, let dry.After everything is satisfactory and complety dry, apply your second full finish coat and you are done( that is assuming you are using a quality paint and not some crap from home depot.
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Old 12-14-2009, 06:57 AM   #9
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Mudding and painting plaster


Thanks. Do you think it would help if I put some water in the bottom of my shopvac. Would that help catch some dust? THe shop is was brand new. I just purchased it.

Edit: After reading online it appears there are special collection bags for drywall dust meant to be used with the shopvac sanding atachment. Wish I would've known that. lol I guess I'll stop by and pick one up.
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Old 12-14-2009, 07:03 AM   #10
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They are a pain but I use the drywall collection bags in mine. Any filter will clog with drywall dust and can also into the motor.
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Old 12-14-2009, 09:57 AM   #11
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Mudding and painting plaster


It sounds like you are just about done. If you can't get the texture all flat or it looks mismatched, you might consider putting a texture like Venetian Plaster or American Clay in your kitchen (if you like that look of course).

I had the same problem in my kitchen which didn't have enough wall space to add a fine finish so I just took the back splash tile and went up the walls to the ceiling.
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Old 12-17-2009, 06:23 AM   #12
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Mudding and painting plaster


So yesterday we went through and primed the entire house. Now what I've noticed is that areas that were mudded are recognizable against the areas that weren't mudded when viewed in direct light. If I look at it straight on without a light source it looks fine but if I bounce light off of it at certain angles I can see the drywall mud. It has a duller look to it vs the original wall. Will this show up with my top coat?
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Old 12-17-2009, 01:04 PM   #13
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What did you prime with?? If a quality primer was used you will be fine.If Behr or the equivalent there of, probably not.

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