I would be concerned about the boards contracting and expanding as all wood does.
I would put a layer of cement board over it first.
On 6/17/2013 6:44 AM, Paul wrote:
I will answer my own question.
I think those who say to not tile on pine boards are talking about floors, not walls.
I know of thousands of homes where tile was applied, decades ago, directly to either the primed or unfinished surface of sheet rock walls, so why should the painted surface of a pine board be any less suitable?
Paul
--- In DoIt_Yourself@yahoogroups.com, "Paul" <przxto99@...> wrote:
>
> Hi,
>
> I would like to cover a section of wall behind my stove and refrigerator. The area to be covered measures 72 inches wide by 42 inches in height.
>
> The tile I have on hand for this project is rectified porcelain tile measuring 11 & 11/16 square by a hair less than 3/8 inch thick.
>
> The sheet rock where the tile is to be applied is covered by pine boards. Some 1 X 8's and some 1 X 5's. These are very securely attached to the wall with glue, and screws into the studs so they are not going anywhere.
>
> The boards are not painted and their surface is very smooth, but I have heard that pine boards do not make a very good substrate for tile.
>
> I'll be hiring a professional wall tiler for this little job but would like to prepare the surface first.
>
> Is it a good idea to tile over these boards? If so, what type of surface prep do you recommend? If the pine boards must be removed, will it be okay to tile onto the painted sheet-rock ?
>
> This project is way past due so your help is greatly appreciated.
>
> Paul
>
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