Author Topic: Skimming walls  (Read 2751 times)

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Offline koenbro

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Skimming walls
« on: December 03, 2017, 05:57 PM »
So we have just bought a 3600 square foot house in which the walls have a texture and the wife wants them skim coated. I was wondering if a Planex could be used to sand the texture down to the drywall and then just apply one coat instead of the usual two coats of mud/compound. In other words, I suppose my question is about the role of a Planex in smoothing down texture to achieve the skim look. Any advice or opinion are greatly appreciated.

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« Last Edit: December 03, 2017, 06:01 PM by koenbro »
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Offline Peter Halle

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Re: Skimming walls
« Reply #1 on: December 03, 2017, 06:28 PM »
Do you have an air compressor?  My advice would be based on that answer.

Peter

Offline koenbro

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Re: Skimming walls
« Reply #2 on: December 03, 2017, 06:38 PM »
Yes I do, a California Air Tools 10020 unit: 2HP with a 10 gal tank, that delivers 5.3 CFPM at 90PSI.
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Offline Peter Halle

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Re: Skimming walls
« Reply #3 on: December 03, 2017, 06:47 PM »
Then as someone who both removes and also adds textures I might suggest a compromise that you would need to evaluate based on your texture depth.

If I were you I would consider getting a texture gun <$60 and a long handle knock down knife $30 and some joint compound.  I would thin that compound and spray the areas.  Use the knife to knock that down and fill or partially fill the areas.  Then I would go to sanding.

You could then sand using the Planex (seems to be a one ride pony extending over several weeks) or another sander also using dust collection.

Peter

Offline koenbro

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Re: Skimming walls
« Reply #4 on: December 03, 2017, 07:00 PM »
If I were you I would consider getting a texture gun <$60 and a long handle knock down knife $30 and some joint compound.  I would thin that compound and spray the areas.  Use the knife to knock that down and fill or partially fill the areas.  Then I would go to sanding.

Thanks Peter! Never having done this, any texture gun recommendations? How about the knock down knife and compound?
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Offline tjbnwi

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Re: Skimming walls
« Reply #5 on: December 03, 2017, 07:26 PM »
Thin mud to slightly less than mayonnaise consistency, roll on wall, 1/2-3/4" nap roller, Tape Tech finishing knife to lay it down.

http://www.tapetech.com/products/Premium-Finishing-Knives

http://www.all-wall.com/TapeTech-Smoothing-Blade-BX24TT.html

The Planex works very well also.

Tom
 
« Last Edit: December 03, 2017, 07:30 PM by tjbnwi »

Offline Peter Halle

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Re: Skimming walls
« Reply #6 on: December 03, 2017, 07:51 PM »
Home Depot - drywall area.  You will find both.  Generic.  Generic drywall mud.  Wish I could impress you with specifics but there aren't any.

Peter

Offline Peter Halle

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Re: Skimming walls
« Reply #7 on: December 03, 2017, 07:52 PM »
Tom beat me to it.  Thanks Tom!

Peter

Offline tjbnwi

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Re: Skimming walls
« Reply #8 on: December 03, 2017, 07:58 PM »
Tom beat me to it.  Thanks Tom!

Peter

Not sure what It did but---You're welcome.

Tom

Offline Pnw painter

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Skimming walls
« Reply #9 on: December 03, 2017, 08:19 PM »
How much time do you have to take on this project? For a house of your size, I'd recommend hiring a drywall contractor to skim everything for you.

The planex may help knock down the texture, but sometimes sanding walls quickly loads sand paper depending on the paint on your walls.

Don't forget that you'll also have to prime everything and apply 2 coats paint.



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Offline tomp

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Re: Skimming walls
« Reply #10 on: December 03, 2017, 10:02 PM »
Here's an article from Family Handyman which cover the basics  https://www.familyhandyman.com/drywall/how-to-skim-coat-walls/view-all/  Also, look for a video by Myron Ferguson which shows his procedure for rolling thinned compound on the wall with a paint roller and then smoothing it out with the knock-down knife, There was also an article in Fine Homebuilding a while back by Myron showing the process.

Offline koenbro

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Re: Skimming walls
« Reply #11 on: December 04, 2017, 08:39 AM »
How much time do you have to take on this project? For a house of your size, I'd recommend hiring a drywall contractor to skim everything for you. [...] Don't forget that you'll also have to prime everything and apply 2 coats paint.

The more I learn, the more tempting it is to pay someone to do it.
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Offline jyarbrou

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Re: Skimming walls
« Reply #12 on: December 04, 2017, 07:35 PM »
Our first house was a little over 1900 square feet and had popcorn ceilings. I scraped and mudded them room by room while we lived there, the mess and the dust was a disaster and the wife hated it. The planex certainly would have made that much better

I also skimmed the walls, not for texture but because they were in bad shape. I tried a bunch of different methods and tools (including Myron Ferguson's paint roller) and found the thing that worked best with my skill was an 8" knife and fairly thinned lightweight mud.

The one thing I found with the walls,  even after a scuff sand the skim coat didn't want to hold on to the old wall paint well. I learned this after priming and painting a couple of rooms and the paint started blistering. I switched to using Kilz or an oil based primer after that and it never had another issue.

Hindsight at the end of the project it was one time I wish I would have paid someone to do it for me. I was able to achieve an excellent finish, but it was a lot of work and a lot of mess.
-Eric