While it’s not a good idea to grout over top of existing grout, you don’t necessarily have to remove all the grout either. Complete replacement of the grout can be costly and time-consuming and is often unrequired. What’s important is to wipe and chip the dirty, cracked grout so that the new layer can adhere well.
The short answer is that no, you cannot put another layer of grout directly over the old grout. While you might assume that you can repair grout as you would holes in a drywall, by using spackle to fill in the holes. However, this same method does not apply for fixing issues with failing grout. Applying grout on top of grout is not a permanent solution and will likely lead to the same problems over time.
How to regrout on top of grout?
How to Regrout on Top of Grout. Wash grout off the surface of the tile with a damp sponge while smoothing the joints at the same time. Allow the grout to dry to a haze, then again wash it with clean water. Allow the grout to dry, then buff it with a clean dry towel. Allow the grout to dry for one week.
Our answer was when it comes to regrouting, the first thing to come to your mind may be to apply a new layer of grout over the old layer. Below are a couple of reasons you shouldn’t do this. Regrouting over existing grout means the new mixture may not properly adhere to the tile edges, exposing the material to water and potentially harmful substances.
What are the best ways to grout over existing Grout?
Scrape all the bits of old grout before you begin. You can use a vacuum to ensure the surface is thoroughly cleaned. Wash the floor or walls to remove dirt. Mix the grout as per the instructions and use a grout float to spread it evenly into all the joints . Wash the area with a damp sponge and smoothen the joints, and more items.
One of the next things we wondered was: what can you use instead of grout?
Use adhesive instead of groutdoubletiger, and ian. What adhesive have you used? Come and introduce yourself in the new members section. Is this a shower area Mr Tiler. Why would dispersion be ok compared to cement Geoff? The Legend; Phil Hobson RIP. Adhesive is adhesive, grout is grout. Adhesive is adhesive, grout is grout, andy allenthe d, or widler are a couple more items to investigate.