The sole purpose of grout is to fill the spaces between tiles after the tiles have been glued in place on a floor or on a wall.
Bathroom tile grout or caulk.
As ellsworth stated use 100 silicone at all changes of plane tub deck all corners.
Grout caulk while most are quot siliconized quot.
In those cases you will likely apply some caulk in places where you also have grout.
Caulking tubes are designed to apply pressure to the caulking within them so that you can squeeze out a bead of caulk with ease and precision.
Because caulk is waterproof and flexible it s often used for tile joints and corners around bathtubs showers windows and other ledges.
It is common for people to confuse these two substances and put grout where caulking should go or vice versa.
Just the pin strip of caulk should be left behind mostly flush with the tile.
Caulk is a sealant typically made of silicone or acrylic material.
Or where the edge of a tile meets the wall.
With the caulk applied first the 511 can then seal everything you won t have any chance of caulk adhesion problems.
Grout which isn t waterproof is often used for tile joints in backsplashes flooring walls and tiling projects that don t have 90 degree angles.
Generally grout should be used on the shower walls and floors and all other vertical or horizontal shower planes.
And look pretty and match well still is not a replacement for wet area changes of plane.
Use a tub tile caulk with or without silicone don t use a straight silicone.
Grout keeps the tiles from.
In addition to its anti mold and effective sealant qualities for your shower caulking is stain resistant.
Grout fills the joints between tiles.
Grout which is a cement based material is great for filling the spaces between tiles.
But it isn t flexible enough to stay intact where a shower pan or tub meets surrounding walls.
Do cut the tube of caulk the right length.
Grout color matches are available in either sanded or nonsanded.
The caulking used in your shower can be used to adhere fixtures and loose tile but is not recommended for the installation of grab bars.
What you have will crack sooner than later.
That said a handyman wouldn t recommend sealing cracked grout by placing a line of caulk over it.
Grout and caulk both have their respective places in a tile shower.
Where grout is just good for bonding together tile caulk is good for creating a seal between multiple materials say between glass tiles and a porcelain tub.
Caulk is impermeable meaning it won t let in water.