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-   -   Drywall Damage After Wallpaper Removal (http://www.diychatroom.com/f4/drywall-damage-after-wallpaper-removal-131503/)

katega 01-26-2012 03:29 PM

Drywall Damage After Wallpaper Removal
 
Hi there!

I'm new to the forum and would really appreciate any help you can give.

I'm in the process of removing wallpaper from what I suspect was put up on unsealed drywall. The removal is taking off pieces of the drywall paper and in some places you can see the brown board of the drywall. Also, I'm using one of the round scoring tools and think I've used too much pressure so have probably damaged the drywall that way too.

Ultimately I would like to have a knockdown texture on the walls with paint. Here is my plan:

(1) Seal the drywall with Gardz Dry Wall Repair so it won't bubble up.

(2) Where the damage is deep, repair with drywall compound and sand.

(3) Texture over the repaired drywall.

(4) Prime

(5) Paint

A few questions:

(1) Do I need to seal over the texture as well?

(2) Do I need to worry about repairing the drywall damage (it's not very deep) given that I'm texturing the walls anyhow?

(3) Should I just skim the whole wall rather than repair specific sections? If so, do I texture right on top of the skimming?

I'm sure I'll come up with more questions, but thank you in advance for your help!

Brushjockey 01-26-2012 03:41 PM

Basically good plan. It depends on how deep the damage and how light the texture. I don't do much wall texture- i'm from the smooth wall part of the country- but generally I would think to get a basic smooth and sound wall first would be the way to go.
Pre fill any deep stuff, and if there is a significant amount of digs an overall skim is a good idea.
What kind of texture? spray knock down, skip trowel?
And after texture- depending on the finish priming is always a good idea- makes for a better finish.

katega 01-26-2012 03:51 PM

Thanks for the answer!

For the texture -- I'm trying to match a knockdown texture on the ceiling that was sprayed on, but I don't want to use a sprayer, seems like too much trouble and I've never used one. So I've seen instructions on how to roll it on with a high-knap roller and then do the knockdown. Any thoughts? I don't need it to be a perfect match, just generally similar.

For the end primer -- it sounds like after the texture I can just use a regular primer, it doesn't need to be a specific kind?

For the repair -- I'm thinking I can get by with spot repair rather than a whole skim. For some reason I find the idea of skimming the whole wall intimidating... :)

Thanks again.

Mr. Paint 01-26-2012 03:51 PM

If you are using a spray texture, skim the walls after the repairs to make an even surface before texturing. The entire wall will need primed with a PVA type sealer (Including texture) and then paainted.

If you do not want to skim the whole wall and just do patches, you will need a porosity control primer such as Hamilton Prep-Coat before you texture.Here is a site with helpful answers:
http://www.hamiltonnw.com/TechBulletins.asp

Brushjockey 01-26-2012 04:20 PM

Katega will already have gardz ( according to plan) , and that would also work to even porosity.

chrisn 01-26-2012 04:26 PM

Quote:

Originally Posted by Mr. Paint (Post 835424)
If you are using a spray texture, skim the walls after the repairs to make an even surface before texturing. The entire wall will need primed with a PVA type sealer (Including texture) and then paainted.

If you do not want to skim the whole wall and just do patches, you will need a porosity control primer such as Hamilton Prep-Coat before you texture.Here is a site with helpful answers:
http://www.hamiltonnw.com/TechBulletins.asp


really?:eek:

katega 01-26-2012 04:30 PM

So when exactly should I apply the Guardz? Just over the bare drywall before I patch it? Just after I patch and texture the drywall? Or do it twice pre-patching and post texture?

Thanks! I'm feeling more confident to do this myself rather than hiring someone...

katega 01-26-2012 04:49 PM

Quote:

Originally Posted by you will need a porosity control primer such as Hamilton Prep-Coat before you texture.Here is a site with helpful answers:
[URL
http://www.hamiltonnw.com/TechBulletins.asp[/URL]

Hamilton looks like it has some great products for this, but I can't find them anywhere, do you have any suggestions?

Brushjockey 01-26-2012 05:06 PM

yes. use the Gardz
Use it after stripping to seal the damage- use after all repairs to even porosity before texture.
It is clear and thin- so be careful- but it works like a dream.

Mr. Paint 01-26-2012 05:38 PM

Katega:
I agree with Brush Jockey on the Gardz. I sold over 200 gallons for a local Hyatt Hotel near SFO Airport when they stripped off the vinyl that was applied to unsealed walls. Gardz was applied first, then damage repairs, and a final coat of Gardz to seal it all.

Hamilton may be out West more. I don't know where you are. USG products seem to be sold nationally.

jsheridan 01-26-2012 10:21 PM

Quote:

Originally Posted by Brushjockey (Post 835417)
Basically good plan. It depends on how deep the damage and how light the texture. I don't do much wall texture- i'm from the smooth wall part of the country- but generally I would think to get a basic smooth and sound wall first would be the way to go.
Pre fill any deep stuff, and if there is a significant amount of digs an overall skim is a good idea.
What kind of texture? spray knock down, skip trowel?
And after texture- depending on the finish priming is always a good idea- makes for a better finish.

That's a good point BJ, prefill. You can't fill deep gouges and skim coat at the same time. Applying finer coats of spackle requires the surface to be relatively uniform.


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