10:03AM | 10/07/08
Member Since: 09/24/04
2 lifetime posts
I hope I can describe this well enough for y'all to advise me. i just laid tile on my screen porch concrete floor. The room is square. There is a door that goes from the porch to the inside of the house. There is about a 4" step up as the door's threshold, flush with the exterior wall. Along that exterior brick wall, the concrete floor comes out from the wall for about 2" and then an expansion joint is grooved into the concrete the length of the brick wall. I didn't think I should lay the tile over the expansion joint, so I laid it right up to the edge. This leaves one side of each tile unsupported by a wall. Are these tiles going to come loose? Should I install something to support the tiles and what would that be without covering the expansion joint. If the tiles are going to be secure as is, I'd just paint the 2" of concrete with expansion joint to coordinate with the tile color. Please help y'all. thanks


06:23AM | 11/11/08
Member Since: 11/10/08
3 lifetime posts
If I get this right... you have about 2" of concrete exposed, by the wall, because of an expansion joint. You did not cover the joint, but installed 'from' the joint.

What you can do.. cut a fit tiles to cover the concrete beyond the joint, and when you're ready to grout, use a product called 'grout caulk' in the joint over the expansion joint. These 'grout caulks' are color matched to the grout you use for the rest of the field of tile. Check with your tile and grout dealer for correct match. This grout caulk with alow the flexability needed for your expansion joint.

These joints are incountered all the time in the commercial buildings that we lay tile in.

I think this is the best way for you to finish this particular job.

Hope this helps..

Todd Griffin
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