I noticed that the grout on the shower floor at the edge and corner started to crack. The contractor who did the work (for previous owner) should have caulked the edge and corner.
I am thinking of taking out the grout and caulk them. But I noticed that some of the gaps are almost 1/2 inch wide. I am not sure if caulk (e.g. silicone II) can seal this large gap.
Is it okay to use silicone caulk for gaps as large as 1/2 inch? If not, what can I do?
Thanks