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.
Bathroom tile grout or caulk.
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 a sealant typically made of silicone or acrylic material.
Caulk is impermeable meaning it won t let in water.
With the caulk applied first the 511 can then seal everything you won t have any chance of caulk adhesion problems.
And look pretty and match well still is not a replacement for wet area changes of plane.
It is common for people to confuse these two substances and put grout where caulking should go or vice versa.
Generally grout should be used on the shower walls and floors and all other vertical or horizontal shower planes.
Caulk is usually applied around the perimeter of the bathtub where your tiles meet your tub.
What you have will crack sooner than later.
In addition to its anti mold and effective sealant qualities for your shower caulking is stain resistant.
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.
As ellsworth stated use 100 silicone at all changes of plane tub deck all corners.
Grout caulk while most are quot siliconized quot.
Just the pin strip of caulk should be left behind mostly flush with the tile.
In those cases you will likely apply some caulk in places where you also have grout.
Use actual 100 silicone.
But it isn t flexible enough to stay intact where a shower pan or tub meets surrounding walls.
Grout fills the joints between tiles.
Use a tub tile caulk with or without silicone don t use a straight silicone.
Grout color matches are available in either sanded or nonsanded.
Do cut the tube of caulk the right length.
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.
Sealers ruining or weakening caulk s seal is common.
Grout which is a cement based material is great for filling the spaces between tiles.
Grout keeps the tiles from.
Or where the edge of a tile meets the wall.
That said a handyman wouldn t recommend sealing cracked grout by placing a line of caulk over it.