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Grout seal on porcelain tub floor

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Grout seal on porcelain tub floor frk040 02-06-2007
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Posted by frk040 on February 6, 2007, 7:36 am


I'm about to seal the grout on a small corner shower floor - small 2x2
porcelain tiles. I'm almost sure the tile installer said it would be
OK to seal BOTH grout and tile in shower to insure better water-
proofing. Everybody I asked said this is not needed because tile is
sealed already. Anybody wan't to add their 2 cents? THANKS


Posted by RayV on February 6, 2007, 7:49 am


> I'm about to seal the grout on a small corner shower floor - small 2x2
> porcelain tiles. I'm almost sure the tile installer said it would be
> OK to seal BOTH grout and tile in shower to insure better water-
> proofing. Everybody I asked said this is not needed because tile is
> sealed already. Anybody wan't to add their 2 cents? THANKS

Here's mine
2=A2



Posted by Steve on February 6, 2007, 4:50 pm


@a75g2000cwd.googlegroups.com:

> I'm about to seal the grout on a small corner shower floor - small 2x2
> porcelain tiles. I'm almost sure the tile installer said it would be
> OK to seal BOTH grout and tile in shower to insure better water-
> proofing. Everybody I asked said this is not needed because tile is
> sealed already. Anybody wan't to add their 2 cents? THANKS

Sealing the tiles may not be "needed", but you might as well.

I just finished a house where I carefully sealed only the grout lines in
a standard bathtub, then quickly sealed both the tile and grout in a
large walk-in shower. These were 18" tiles with 3/8" grout lines.

The only difference was the time to do the work. The shower had at least
four times as much tile as the tub, but it took only 1/4 as much time.

Read the label on your sealer. Some don't change the look of the tile.

Test the sealer in on a scrap tile on in a hidden corner. Since you have
porcelain tiles, it probably won't matter.

Did I mention that you should read the label on the sealer?


Posted by Steve on February 6, 2007, 4:50 pm


@a75g2000cwd.googlegroups.com:

> I'm about to seal the grout on a small corner shower floor - small 2x2
> porcelain tiles. I'm almost sure the tile installer said it would be
> OK to seal BOTH grout and tile in shower to insure better water-
> proofing. Everybody I asked said this is not needed because tile is
> sealed already. Anybody wan't to add their 2 cents? THANKS

Sealing the tiles may not be "needed", but you might as well.

I just finished a house where I carefully sealed only the grout lines in
a standard bathtub, then quickly sealed both the tile and grout in a
large walk-in shower. These were 18" tiles with 3/8" grout lines.

The only difference was the time to do the work. The shower had at least
four times as much tile as the tub, but it took only 1/4 as much time.

Read the label on your sealer. Some don't change the look of the tile.

Test the sealer in on a scrap tile on in a hidden corner. Since you have
porcelain tiles, it probably won't matter.

Did I mention that you should read the label on the sealer?


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