To fix the crack you have a couple of options.
How to fix cracks in bathroom wall.
Keep reading to learn more about what causes cracks in bathroom tile as well as how to fix it.
Apply a coat of joint compound to the edges using a 6 inch drywall knife.
Once you have widened the crack clean the dust and other debris out of the crack using a paintbrush or vacuum.
However if the plaster is pulling away from the lath you first need to shore up the wall with a two step process.
Start by cutting a v shaped notch about 1 4 to 1 8 inch 0 64 to 0 32 cm along the crack to help hold the compound in place.
You can repair the crack with tile filler and then paint over the filler with a color that matches the rest of the tile.
Repairing cracks in walls the best way to repair a crack in drywall is to re tape the joint.
Scrape away any loose compound and use a razor knife or drywall saw to expand the crack through the wall surface into the stud cavity image 3.
You can replace the entire tile.
This gives the spackling or joint compound a larger surface to adhere to.
This involves scraping away the loose tape and crumbled bits of drywall mud sanding the surface smooth.
The first step to repair cracks in walls made of drywall is to use a utility knife to widen the crack slightly.
It works best on hairline cracks but it s worth a try on wider cracks too.
Prepare the room by cleaning off the countertop removing the shower curtain and taking towel bars and switch plate covers off the wall.
The best way to fix the crack is to patch it with joint compound.
How to paint over cracked paint in the bathroom.
Embed fiberglass mesh drywall tape in the wet compound scrape off the excess and allow it to dry for at least eight hours.
Use a putty knife to apply at least 3 coats of joint compound.
It forms an elastic film that stretches and contracts along with the crack.
Then spray on two to three light coats of good bye cracks.
Clean all the surfaces to be painted.
Avoid removing solid well adhered compound beyond the crack itself.
Treat minor cracks in plaster similar to a drywall crack with joint compound.
Step 5 apply two more coats of joint compound allowing it to dry completely in between coats.
Let each coat dry fully before you add another on top of it.