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Cement wall board J.Esam 06-05-2007
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Posted by J.Esam on June 5, 2007, 9:42 am
First off I'm no carpenter & know very little about home repair.I'm
replacing the floor in my bathroom in an older home that the has rotted
out.I'v replaced all the 2x6's and
braces with new pressure treated stuff. My bath room is 12ft long x5ft
wide.I would like to know now if it is possible to use cemenyt wallboard for
the flooring without subflooring under it.Since cement is not flexible would
it tend to crack when walked on & does it need special fastners to attach it
to the 2x6's also how do you make the openings for the comode,waterlines &
etc.If this is possible since the cement panels are 3x5 to what would the
spacing on the 2x6's on the the 3ft width need to be ?
I hope I.v explained this enough for someone to tell me the best things to
do.If this is not enough info I will try to answer any questions I can.All
help is GREATLY appreciated



Posted by hallerb@aol.com on June 5, 2007, 9:49 am
> First off I'm no carpenter & know very little about home repair.I'm
> replacing the floor in my bathroom in an older home that the has rotted
> out.I'v replaced all the 2x6's and
> braces with new pressure treated stuff. My bath room is 12ft long x5ft
> wide.I would like to know now if it is possible to use cemenyt wallboard for
> the flooring without subflooring under it.Since cement is not flexible would
> it tend to crack when walked on & does it need special fastners to attach it
> to the 2x6's also how do you make the openings for the comode,waterlines &
> etc.If this is possible since the cement panels are 3x5 to what would the
> spacing on the 2x6's on the the 3ft width need to be ?
> I hope I.v explained this enough for someone to tell me the best things to
> do.If this is not enough info I will try to answer any questions I can.All
> help is GREATLY appreciated

you must have a solid subfloor. no way around that.

subfloor then cement board then tile


Posted by frank.logullo on June 5, 2007, 10:41 am

> First off I'm no carpenter & know very little about home repair.I'm
> replacing the floor in my bathroom in an older home that the has rotted
> out.I'v replaced all the 2x6's and
> braces with new pressure treated stuff. My bath room is 12ft long x5ft
> wide.I would like to know now if it is possible to use cemenyt wallboard
for
> the flooring without subflooring under it.Since cement is not flexible
would
> it tend to crack when walked on & does it need special fastners to attach
it
> to the 2x6's also how do you make the openings for the comode,waterlines &
> etc.If this is possible since the cement panels are 3x5 to what would the
> spacing on the 2x6's on the the 3ft width need to be ?
> I hope I.v explained this enough for someone to tell me the best things
to
> do.If this is not enough info I will try to answer any questions I can.All
> help is GREATLY appreciated
>
I have no pratical experience but cement while having good compressive
strength, has poor tensile and flex strength. This is why they add rebar.
I would not use the wall board for flooring which will flex and most likely
fail.
Frank



Posted by RicodJour on June 5, 2007, 12:06 pm
> First off I'm no carpenter & know very little about home repair.I'm
> replacing the floor in my bathroom in an older home that the has rotted
> out.I'v replaced all the 2x6's and
> braces with new pressure treated stuff. My bath room is 12ft long x5ft
> wide.I would like to know now if it is possible to use cemenyt wallboard for
> the flooring without subflooring under it.Since cement is not flexible would
> it tend to crack when walked on & does it need special fastners to attach it
> to the 2x6's also how do you make the openings for the comode,waterlines &
> etc.If this is possible since the cement panels are 3x5 to what would the
> spacing on the 2x6's on the the 3ft width need to be ?
> I hope I.v explained this enough for someone to tell me the best things to
> do.If this is not enough info I will try to answer any questions I can.All
> help is GREATLY appreciated

You must have a subfloor. I'd strongly suggest getting a book, either
online or though your local library (they will have this book), by
Michael Byrne - Setting Tile. It's a thorough workup, way more
information than you'll probably need, but it's well written and a
beginner will understand it. Another excellent book is Renovation by
Michael Litchfield. You'll save yourself a lot of headaches if you
understand the process from start to finish. Tile work and bathrooms
pay big dividends for taking care of the the construction details
correctly from the start.

R


Posted by J.Esam on June 5, 2007, 4:08 pm
Thanks for the info from all
Thats what I needed

>> First off I'm no carpenter & know very little about home repair.I'm
>> replacing the floor in my bathroom in an older home that the has rotted
>> out.I'v replaced all the 2x6's and
>> braces with new pressure treated stuff. My bath room is 12ft long x5ft
>> wide.I would like to know now if it is possible to use cemenyt wallboard
>> for
>> the flooring without subflooring under it.Since cement is not flexible
>> would
>> it tend to crack when walked on & does it need special fastners to attach
>> it
>> to the 2x6's also how do you make the openings for the comode,waterlines
>> &
>> etc.If this is possible since the cement panels are 3x5 to what would
>> the
>> spacing on the 2x6's on the the 3ft width need to be ?
>> I hope I.v explained this enough for someone to tell me the best things
>> to
>> do.If this is not enough info I will try to answer any questions I
>> can.All
>> help is GREATLY appreciated
>
> You must have a subfloor. I'd strongly suggest getting a book, either
> online or though your local library (they will have this book), by
> Michael Byrne - Setting Tile. It's a thorough workup, way more
> information than you'll probably need, but it's well written and a
> beginner will understand it. Another excellent book is Renovation by
> Michael Litchfield. You'll save yourself a lot of headaches if you
> understand the process from start to finish. Tile work and bathrooms
> pay big dividends for taking care of the the construction details
> correctly from the start.
>
> R
>



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