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Shower service

Shower Tile Installation

Layout, setting and detailing — the part of the shower you look at every day.

Tiled shower wall in a Treasure Valley Idaho home with even grout joints and a recessed niche
Shower tile set on a waterproofed substrate — level courses, even joints, a niche framed into the layout. (Eagle, Idaho)

Short answer

Shower tile work covers substrate preparation, layout planning, setting, grouting and the trim details at every edge and change of plane. The difference between competent and excellent tile is decided before the first tile is set: where the layout starts, how cuts are distributed, and whether the niche and bench lines relate to the field tile.

Layout is decided before the first tile

Rooms are not square and walls are not plumb, so a tile layout is a set of decisions about where the inaccuracy goes. We dry-lay the wall, find the centerlines, and place cuts where they read as intentional — at inside corners and at the floor, rather than beside the niche or at eye level on the main wall.

  • Full tiles kept at the most visible edge, cuts pushed to corners and the bottom course
  • Niche interior sized to whole tiles or to the shelf material, so the opening does not fight the field
  • Grout joints in the niche aligned with the surrounding wall joints wherever the sizes allow
  • Bench top sloped roughly an eighth of an inch per foot so water leaves rather than pools
  • Offset patterns kept to a third rather than a half on long planks, which reduces lippage

Choosing tile that survives a shower

Shower tile material notes
MaterialNotes for shower use
PorcelainLow absorption and hard-wearing; the default for both floors and walls
CeramicFine on walls; check the rating before using it on a shower floor
Natural stoneBeautiful but porous — needs sealing on a schedule and dislikes acidic cleaners
Mosaic on floorsMore grout joints means more grip underfoot, which is why small formats suit shower pans
Large-format panelsVery few joints and easy cleaning; the substrate has to be genuinely flat

Grout, sealant and the maintenance you inherit

Every change of plane — inside corners, the wall-to-pan joint, around the bench — gets flexible sealant rather than grout, because those joints move. Grouting a moving joint is why grout cracks reappear in exactly the same place after every repair.

Water in much of the Treasure Valley is on the hard side, so mineral film on glass and tile is a routine cleaning issue rather than a defect. A squeegee after showering and a non-acidic cleaner will do more for the look of a stone or grouted shower over ten years than any sealer product will.

Shower tile — questions

How long does tile need to cure before we can use the shower?
Plan on the shower being out of service for a few days after grouting. Exact times depend on the setting materials, the grout and the humidity in the room, and we give you the specific figure for the products used in your shower.
Do you seal grout?
Cement-based grout is sealed after it cures. Epoxy grout does not need sealing but is less forgiving to install and to repair later. We will tell you which one your shower is getting and why.
Can you match existing tile for a repair?
Sometimes, if the line is still produced and you have attic stock. Discontinued tile and shade variation between production runs mean a repair is often visible, which is worth knowing before choosing repair over replacement.

Shower tile by city

Shower tile case studies

Talk through your shower tile project

Tell us what the room is doing today and what you want instead. We follow up to arrange a walkthrough and a written estimate.