Plywood or drywall is insufficient as a subfloor because it is a permeable material that will rot away when exposed to water.
Seal shower tile wall.
Use latex based products to seal both grout and tile.
When exposed to water the iron deposits can oxidize and lead to a rust stain.
I show the process of applying redgard topical membrane.
The first instance is when you have put white marble in your shower.
The tile does not come down completely to meet the fiberglass but stops slightly above it leaving a small gap.
Step 2 cut and peel out damaged caulk with a caulking removal tool.
Sealing wall and floor tile grout in your home can be very beneficial.
How to seal grout in a shower wall or floor tiles.
In this quick episode i discuss how and why you should seal the grout and tile of your bathroom.
Inspect the caulking that joins the tile wall to the shower pan or bathtub for mold cracking or peeling.
In this quick episode i discuss how and why you should seal the grout and tile of your bathroom.
Sealing your shower walls is essential for tiling the surface to prevent moisture from effecting the integrity of your tile installation.
Continue removing caulk up to at least 2 inches past the damaged area.
This is a dusty job so use plastic to cover your doorways wear a respirator that s rated for dust cover the floor with a drop cloth and make sure there s plenty of ventilation.
How to prep a shower wall for tile begin by removing the old tile or the fiberglass shower wall.
If you have very thin grout lines and unsealed tiles a sponge allows you to seal larger sections of your bathroom walls or floors easily by wiping over both surfaces at once.
Some tiles are too thick to absorb the sealant so check a small area first.
Shower tiles should be sealed every one to two years depending on how often the shower is used.
White marble including carrara and calcutta marbles often contain small deposits of iron.
Fiberglass shower pans are frequently installed with tiled walls in the shower.