Sanded grout or silicone tub & tile caulking?

Old 10-13-17, 07:09 PM
Thread Starter
Join Date: Feb 2012
Location: USA
Posts: 340
Received 0 Votes on 0 Posts
Sanded grout or silicone tub & tile caulking?

I'm looking to Dremel out the old grout between tiles in my shower pan. The gaps between tiles is only 1/8". Should I use premixed sanded grout or silicone tub & tile caulking from a tube? For starters I can't even find premixed grout in the almond color that I need. That's what led me to consider using caulking instead.
Old 10-14-17, 04:16 AM
Marq1's Avatar
Join Date: Sep 2016
Location: USA MI
Posts: 9,482
Received 946 Votes on 859 Posts
DO NOT use pre mixed grout.

DO NOT use caulk on the floor, just the corners

DO NOT use 100% silicon caulk, use the bathroom siliconized latex caulk
Old 10-14-17, 07:33 AM
czizzi's Avatar
Join Date: Jul 2007
Location: USA
Posts: 7,388
Received 15 Votes on 13 Posts
Premixed grouts are not rated for wet locations and therefore should never be used in a shower application. You want to use a grout from a powder and mix it up yourself in small batches. It is a lot of work to scrape out all the grout, but it can be done. I use a oscillating multi tool with a grout attachment. They use a strong utility knife to further evacuate the grout lines. Important to know what kind of pan you have so you don't breech the waterproof membrane. If on a cement mudbed, then you have little worry. If a kerdi membrane, you need to be cautious and not dig too deep or drag too deep with the utility knife.

Thread Tools
Search this Thread
Ask a Question
Question Title:
Your question will be posted in: