1/4" Over Popcorn - Drywall - Contractor Talk

1/4" Over Popcorn

 
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Old 06-22-2012, 10:03 AM   #1
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1/4" Over Popcorn


I have a guy that wants me to put 1/4 drywall over (under) a pop corned ceiling. I don't think its a good idea, thinking it will be uneven at best. I do not do much drywall, so I've never done that. I'm thinking the popcorn should be scraped off first.

Anyone have any experience with doing this? Anyone have any thoughts?
I know some one has an opinion, care to share it?
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Old 06-22-2012, 10:56 AM   #2
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Re: 1/4" Over Popcorn


wet it down and scrape it off. not a bad idea to get it tested first.
clean the ceiling, texture, prime, paint.

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Old 06-22-2012, 11:37 AM   #3
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Re: 1/4" Over Popcorn


If you put 1/4" on a ceiling, you have to bond it to what is there already, or it WILL sag, To get a decent bond, you may have to take the popcorn off (depends on how well it's stuck on). Even if you leave it on and can get a good bond, you're going to be going over an uneven surface. That's a lot of time and money to get a crappy job.
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Old 06-22-2012, 02:43 PM   #4
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Re: 1/4" Over Popcorn


Don't do it.
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Old 06-22-2012, 07:04 PM   #5
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Re: 1/4" Over Popcorn


Quote:
Originally Posted by stillstoked View Post
I have a guy that wants me to put 1/4 drywall over (under) a pop corned ceiling. I don't think its a good idea, thinking it will be uneven at best. I do not do much drywall, so I've never done that. I'm thinking the popcorn should be scraped off first.

Anyone have any experience with doing this? Anyone have any thoughts?
I know some one has an opinion, care to share it?
Scrape it. Skim (if needed), texture, apply stain blocking primer and paint.
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Old 06-22-2012, 07:34 PM   #6
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Re: 1/4" Over Popcorn


Oh my, hanging and finishing would be WAY more work than just scraping and skimming. Wetting it down it comes down in sheets and the rock is usually pretty darn smooth.
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Old 06-23-2012, 04:38 AM   #7
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Re: 1/4" Over Popcorn


Quote:
Originally Posted by stillstoked View Post
I have a guy that wants me to put 1/4 drywall over (under) a pop corned ceiling. I don't think its a good idea, thinking it will be uneven at best. I do not do much drywall, so I've never done that. I'm thinking the popcorn should be scraped off first.

Anyone have any experience with doing this? Anyone have any thoughts?
I know some one has an opinion, care to share it?
If I've said it once I've said it a thousand times............1/4'' is not the magical cure!!! especially on ceilings.

It is not strong enough, it will sag , screws will pop. If your going to double up on a''textured'' ceiling at least use 1/2'' for rigidity/strength. And will finish nicer.
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Old 06-24-2012, 08:00 AM   #8
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Re: 1/4" Over Popcorn


1/2
' or 5/8
' Scraping can get real messy and does damage surface, not to mention the chitty tape job covered up by popcorn. Lower light fixtures, mark ceiling joists (studs) and put a new layer. If I have a choice I will take the overlay over the scrape. 48 sf' of new rock at say 11 to 14 bucks a sheet..... cheaper and better to go with new rock
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Old 06-24-2012, 10:10 AM   #9
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Re: 1/4" Over Popcorn


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Originally Posted by aptpupil View Post
wet it down and scrape it off. not a bad idea to get it tested first.
clean the ceiling, texture, prime, paint.
Absolutely in this state (WA) you are required to know enough to know that there are things that may need to be tested before you start a job. If you go and scrape that stuff and it has asbestos in it, you're up $41t creek.
It also makes a huge mess.
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Old 06-26-2012, 10:02 AM   #10
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Re: 1/4" Over Popcorn


thanks a lot guys. the house is not that old. (90's) so i think i will scrape and see what that looks like then if I have to i'll use 1/2".
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Old 08-10-2012, 03:15 PM   #11
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Re: 1/4" Over Popcorn


i do a lot of popcorn removal its really pretty easy. take a garden pump up sprayer, probably 2 gal, fill it with water add 1/2cup fabric softener. spray the ceiling let set for about 15 minutes, then spray again. remember you just want it damp, not wet. Then scrap with a 6 inch knife, no bigger because if you look down the edge of a big knife you will see it has a curve, that will make the corners dig in and make repairs more and harder. Spray occasionally as you work. With this method you will get very little dust. Hope this helps
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Old 08-10-2012, 03:40 PM   #12
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Re: 1/4" Over Popcorn


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i do a lot of popcorn removal its really pretty easy. take a garden pump up sprayer, probably 2 gal, fill it with water add 1/2cup fabric softener. spray the ceiling let set for about 15 minutes, then spray again. remember you just want it damp, not wet. Then scrap with a 6 inch knife, no bigger because if you look down the edge of a big knife you will see it has a curve, that will make the corners dig in and make repairs more and harder. Spray occasionally as you work. With this method you will get very little dust. Hope this helps
I use my airless sprayer to spray the water on the ceiling.
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Old 08-10-2012, 03:55 PM   #13
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Re: 1/4" Over Popcorn


I tried that once but it seemed like i got to much water. Probably wrong tip. just watched video great job

Last edited by ToolNut; 08-10-2012 at 04:05 PM.
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Old 08-10-2012, 07:08 PM   #14
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Re: 1/4" Over Popcorn


Quote:
Originally Posted by ToolNut View Post
i do a lot of popcorn removal its really pretty easy. take a garden pump up sprayer, probably 2 gal, fill it with water add 1/2cup fabric softener. spray the ceiling let set for about 15 minutes, then spray again. remember you just want it damp, not wet. Then scrap with a 6 inch knife, no bigger because if you look down the edge of a big knife you will see it has a curve, that will make the corners dig in and make repairs more and harder. Spray occasionally as you work. With this method you will get very little dust. Hope this helps
Will this work if the popcorn has been painted over?
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Old 08-10-2012, 07:15 PM   #15
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Re: 1/4" Over Popcorn


no if painted whole new ballgame
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Old 08-10-2012, 07:28 PM   #16
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Re: 1/4" Over Popcorn


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Will this work if the popcorn has been painted over?
Yes, it just takes more time and elbow grease.
I dry scrape a 4'x 8' section, then wet it a couple times. If all else fails, Skim it.
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Old 08-10-2012, 09:26 PM   #17
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Re: 1/4" Over Popcorn


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Yes, it just takes more time and elbow grease.
I dry scrape a 4'x 8' section, then wet it a couple times. If all else fails, Skim it.
Are you saying to skim coat rite over the popcorn?
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Old 08-10-2012, 09:35 PM   #18
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Re: 1/4" Over Popcorn


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Are you saying to skim coat rite over the popcorn?
Scrape what you can off, then skim.

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