Return an attention put forward a couple of old ceramic tile do caulking, effect than
1, the gap is too dirty
the old and new ceramic tile ceramic tile is different, the old tile use longer and crack in the accumulated a lot of dust, if want to do caulking, ceramic tile aperture must seriously be removed. And some ceramic tile aperture size is differ, the inside is filled with cement, needed a professional grinding machine, cement out from the gap, can clear the width.
2, ceramic tile surface wear much
through the use of old ceramic tile, badly damaged on surface, some ceramic tile glaze has even been badly scratched. Like this kind of old ceramic tile, even if the surface is smooth, when doing the caulking should also be labeled and crepe paper with caulking wax, avoid caulking agent on ceramic tile clean out.
3, ceramic tile at the bottom of the damp
the elder to use ceramic tile, natural causes and think that the reason, will lead to the bottom of the ceramic tile is damper, want to do caulking, ceramic tile aperture must be kept dry. Want to know whether or not his ceramic tile aperture, damp can into a tissue in the gap, such as pick out again after 24 hours. If gap damp paper towel is a little soft collapse, all, need to do the gap drying and caulking. If there is no change, explain aperture is not wet, can do caulking directly.
4, ceramic tile is loose
ceramic tile use time is too long, at the bottom of the slurry shrinkage, loose tile appear empty drum, is very normal things, in this case must not do caulking directly. Although caulking can stable ceramic tile, prevent loose, but ceramic tile in loose when do caulking, affect the caulking agent and the curing effect of adhesion. Loose tiles must hold again to do it again, this is the best effect.
as long as careful attention to these problems, the old ceramic tile subsequent caulking construction is simple, make to the effect of new ceramic tile is worse than not.