It’s important to know how to regrout a bathroom correctly so you won’t experience grout failure which will cause the tiles falling down. To regrout bathroom, there are some important things you should note and do that will ensure a good-looking grout job to last for a long time.
Too much water in grout will result in a powdery and weak grout joint. That’s why rather than purchasing the cheap cement-based grout, it’s best to go for the polymer-modified one of the same product. The polymer will improve the water resistance of the grout and make it more flexible. This way, the grout can still stand up to wall movement and temperature changes. It also usually contains anti-fungus additive.
And of course, you should follow all the steps in how to regrout a bathroom thoroughly. The more careful you are as you perform each step in the process, the longer your grout will be. In addition to that, a thorough process will also cost you less in the future since the grout will require less maintenance.
When removing grout as part of the how to regrout a bathroom process, it’s recommended to cut it out half the depth of your tile at least. Angle also matters; when applying the replacement grout, do it at a 45-degree angle to your tile.