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A to ZGlossary

Remodeling words, in plain English.

Grout, niche, pan, thinset and more. Search a term and see what it means.

A gloved hand pressing fresh white grout into a glossy subway tile wall
Alcove tub
A tub set into a three-wall nook, usually with a shower above it.
Backer board
A cement or foam panel on walls and floors that tile can bond to without rotting.
Bullnose
A tile or trim piece with a rounded edge, used where tile ends.
Caulk
A flexible sealant used at corners and where tile meets a tub, vanity or floor.
Cement board
A rigid, water-tolerant panel used behind tile in showers and tub surrounds.
Curbless shower
A shower with no step at the entry, so the floor flows into the shower.
Escutcheon
The trim plate that covers the hole where a pipe or valve comes through a wall.
Flood test
Filling a shower pan with water to check that it holds before tile goes down.
Frameless glass
Thick tempered glass held by small hinges and clips instead of a metal frame.
Grab bar
A sturdy bar anchored into the wall to help with balance in a shower or by a toilet.
Grout
The material between tiles that fills joints and locks the tile in place.
Linear drain
A long, narrow shower drain that lets the whole floor slope one way.
Membrane
A waterproof layer applied over a shower floor and walls under tile.
Mortar bed
A sloped layer of mortar that forms a shower floor and carries water to the drain.
Niche
A recessed shelf built into a shower wall for soap and shampoo.
Pan
The waterproof base of a shower, sloped to the drain.
Pony wall
A short wall, often a half wall beside a toilet or shower.
Rain head
A large, flat showerhead that lets water fall like rain.
Rough-in
The plumbing and wiring installed inside the walls and floor before finishes.
Edge trim
A metal or plastic profile that finishes tile corners and ends cleanly.
Slip resistance
How well a floor tile grips when wet, often shown as a friction rating.
Solid surface
A seamless, man-made material used for panels, tops and tubs.
Spacer
A small plastic cross or tab that keeps tile joints even while tile is set.
Subfloor
The structural floor under tile, usually plywood or concrete.
Thinset
The cement-based adhesive that holds tile to the surface.
Thermostatic valve
A shower valve that holds a steady water temperature.
Undermount sink
A sink mounted beneath the countertop for easy wipe-down.
Vanity
The cabinet and top that holds the bathroom sink.
Vapor barrier
A layer that slows moisture moving through a wall or ceiling.
Wainscot
Wall covering, often tile or paneling, that runs partway up the wall.
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