finishing over cement board

 
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Old 04-19-2010, 07:10 PM   #1
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finishing over cement board


I was wondering if it's o.k. to apply joint compound over cement board or should I use some hot mud ? the project I'm doing now the customer hung the board but on the under side of the bulk head he installed cement board where the oven and stove is going to be. any suggestions ? I've never ran into this type of situation before.

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Old 04-19-2010, 10:12 PM   #2
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Re: finishing over cement board


reg. mud will work fine.
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Old 04-19-2010, 10:33 PM   #3
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Re: finishing over cement board


thank's !
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Old 04-20-2010, 07:37 AM   #4
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Re: finishing over cement board


Make sure to skim the whole board! DSJOHN
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Old 04-20-2010, 07:40 PM   #5
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Re: finishing over cement board


skimed the whole under side of the bulk head today i'll see what happens tomorrow when i put a 2nd coat on. what a pain in a.. !
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Old 04-21-2010, 12:27 AM   #6
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Re: finishing over cement board


i like to skim cement board with durabond for first coat. you just know that stuff is not coming off.
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Old 07-29-2010, 12:08 PM   #7
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Re: finishing over cement board


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Old 07-29-2010, 06:55 PM   #8
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Re: finishing over cement board


if its not in a wet area just skim coat the whole board with gp,it will take like three coats cover it all. Here all the new homes on the water have flood levels (usually about 5') that has to be all cement board. The first floor is not living space but just garage area so you don't have many boards, unless someone does a build out after the fact with no permits SSSSSHHHHHHHHH. Were texturing a build out in the morning that has about 50 sheets of cement board. It sure sucks to have to skim coat 1,600 sf of 4' and below 3 times
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Old 07-29-2010, 09:13 PM   #9
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Old 07-29-2010, 10:38 PM   #10
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Re: finishing over cement board


general purpose

just priming alone will not cover up the ruff surface of the cement board. It has to be smoothed out because it is a used as visable wall
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