Drywall prep for texturing

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Old 01-14-16, 07:38 AM
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Drywall prep for texturing

I hope to be nearing the end of mudding. I am planning on orange peel and knockdown textures.

I have sanded all knife marks and all edges of mud joints so there is just a smooth edge. I have been going around with a 12" knife and checking horizontals for areas that light passes thru and filling the lows.

What else do I need to do? I may work on my butt joints more so they feel less like a hump. Do I need to seal the drywall or just spray the mud and prime over it?
 
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Old 01-14-16, 08:02 AM
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Some say you should prime first but I never have. Sealing the drywall first will make the texture dry at a consistent rate but that doesn't affect the looks or durability any [with unsealed drywall the texture will dry at a different rate over j/c versus bare drywall]

It's always a good idea to shine a bright light on the wall and view it from an angle - defects are easier to spot that way.
 
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Old 01-14-16, 08:20 AM
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I prime it because when I mess up the texture the first 3 times it's easier to scrape it off and start over without damage. If you're better at texturing than I am (not a high bar) it's probably not necessary.
 
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Old 06-15-16, 05:51 PM
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I've been stripping wallpaper in my entry hall this week to prepare for knockdown texturing. Do I need to get every little single piece of wallpaper off before I start texturing? Can I go over the walls with fine-grit sandpaper to knock off the little boogers that are still on the wall?
 
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Old 06-16-16, 03:17 AM
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Any scraps/bits of wallpaper left will normally show thru texture or paint. Sanding can help. More importantly any leftover wallpaper paste will affect the job also! Generally you'll remove all you can and then coat the wall with either an oil base primer or Zinnser's Gardz. You can then make any repairs if needed, apply your texture, prime and paint.
 
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