Too much water was used during mixing or the installer left too much water on the joints while wiping.
Fill in grout lines under shower door.
When the surface has been cleaned begin tooling smoothing and leveling the grout lines with the sponge.
The best way to fix cracked grout in the shower.
Use a wet sponge to wipe away any excess grout from the tiles.
The solution for filling in grout holes is to dampen the holes with water and push grout into the holes with a finger.
How to regrout on top of grout.
If the grout keeps cracking in your shower you re going to want to fix it right away.
Pinholes in grout are caused by the installer s use of soupy grout.
The goal of this how to grout tile project is consistent even depth grout joints.
After you remove the sufficient amount of the old grout just mix some new grout and fill the lines.
Over time grout can become dirty grungy cracked and missing in places.
The grout line at the corner of the tile has six different spots it can fail the middle of a grout line has only one.
This can instead remove the grout between these areas.
This job can be done in just a few hours and will typically cost anywhere from 20 to 100 to complete.
The aim is to fill the regions between tiles with grout thus the wiping shouldn t be too rough.
It lessens the chance of failure.
As the grout dried the water evaporated leaving holes.
Regrouting is a task that almost any homeowner can accomplish.
Only slightly wet the sponge as too much water weakens and eventually removes the grout between the tiles.
However make sure that when you re fixing your shower walls you always wear eye protection.