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Posted by MiamiCuse on February 6, 2008, 7:50 pm
> I am remodeling this 35 year old house and throughout the house the walls
> are made of a double layer of gypsum board as the layer underneath and a
> layer of plaster / cement material on top. Total thickness is about 3/4".
>
> http://i173.photobucket.com/albums/w67/143house/P1010626.jpg
>
> This presents a problem in matching new wall with existing. If I use the
> standard 3/8" or 1/2" wall board it will not match. I could use them in
> areas where I torn down the entire wall from end to end, but in other
> areas
> I have to match the existing thickness. I guess I have three options:
>
> (1) Use one layer of 3/4" sheetrock and try to match it, or
> (2) Use two layers of 3/8" sheetrock, or
> (3) Furr out wall a bit to use one layer 3/8" wall board
>
> Not sure which one is the most convenient and economical.
>There is no 3/4" sheetrock, only 5/8". I would think using 2 3/8"
>sheetrock would be easiest.
I might either use 2 3/8" or may be fur out the wall a bit more with 3/8"
furring strips. May be furring strips will work out better.
>
> Also, electricians, plumbers, window installers have worked on the house
> and
> there are numerous places I need to make a patch but the patching is
> impossible since the cuts are done in an irregular fashion. See pic:
>
> http://i173.photobucket.com/albums/w67/143house/P1010625.jpg
>
> I try to cut them on a straight line and it's hopeless. Can't use a
> recipricating saw because of the concrete layer underneath. Tried a angle
> grinder and there were so much dust I could not stand it. Any advise?
>Use a circulating saw and adjust the thickness to 3/4". There will be
>dust but it will get the job done quickly. Try wetting down the area a
>bit or have a buddy hold a shop vac close to the cutting to minimize
>dust.
Thanks, It's hard using circular saw moving up and down with that weight. I
wish there is a laser beam cutting tool.
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