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Question DetailsAsked on 1/23/2015

I am refurbishing a mobil home for a Handycaped lady and her 6x5 shower stall grout is cracked and leaking water

I am not sure if re grouting is the answer many cracks in grout and some were filled heavy duty calk.. Will grout adhere to the calk ???

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This would normally be done by a tile layer - though if grout is in generally poor condition, due to cost of labor and likelihood of some mold behind there, commonly a tile layer will just remove all the tile, repair any water damage, and retile from scratch. Or put in a fiberglass or acrylic surround.


No grout wouldnot be expected to stick to caulk worth beans - proper way to fix it is to remove the grout in alternating lines each way (skipping every other line so only one side of a given piece of tile is ungrouted at a time so other side is supported when gouging out the grout on the other side) and then regrout. Takes several days so the first grout lines fixed are set before working on other side of tiles - and be sure to have heavy tarp or such in shower to catch any tiles that pop out so hopefully they will not break - a few will. Check first for loose ones by tapping with trowel or screwdriver handle and remove any loose (hollow or drummy sounding) ones - they will have to be reinstalled with thinset before you can do the grouting.


Quicker way, but lifespan much shorter - gouge out caulk and loose grout with a scraping tool or curved carpet knife down to sound grout, then recaulk with latex Dap Tub and Tile Caulk. Makes nice finish if neatly done, but you can expect peel-outs locally within a few years, and will need general replacement probably every 10 years or so - but avoids the couple of days of labor charge it takes to completely regrout a shower. Of course, you have no way of knowing how much water damage there is behind it in that case.


Don't forget not to close up the weepholes at the bottom of the tile surround.

Answered 5 years ago by LCD




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