Remodeling services
Walk in shower installation: start with the entry
Low curb or level entry, where the water goes, and what each choice does to the floor below. Plan your remodel: tell us the project and a person replies.
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Written by HyreRemodel Research Desk Primary-source research and fact checking
The short answer
Walk in shower installation builds a shower you step into without climbing a tub wall, either over a low curb or with no curb at all.
The entry is the decision that sets the job: a level, curbless entry means lowering the floor framing and running waterproofing beyond the shower, while a low curb works on most floors as they are.
What decides a walk in shower installation?
Without a curb, the shower floor has to sit below the bathroom floor so water runs to the drain, which is framing work.
A linear drain at the back or the entry lets the floor slope one way and suits large tile; a center drain needs a four-way slope.
An open or half-glass shower throws water further. The waterproofing has to cover where the water lands, not only inside the glass.
Plan your walk-in shower
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What does a walk in shower installation include?
Assuming a new shower, not a conversion inside an old tub alcove (that is a tub to shower conversion).
Size, door or open panel, drain type and location, bench and niche, all fixed before demolition.
For curbless: recessing or reinforcing the joists, or cutting a slab. Done before any plumbing is set.
The drain body set at its final height and the valve placed for reach from outside the spray.
Sloped floor, then a continuous membrane that runs past the shower on a curbless floor. See shower waterproofing membrane.
The membrane or liner is filled and checked, then the plumbing inspection where your city requires one.
Tile, then glass measured from the finished walls, then fixtures.
Which walk-in shower entry are you pricing?
| Entry | What it means for the build |
|---|---|
| Low curb | A short curb holds water back. Works over standard framing, with a preformed base or a tiled mortar bed. See shower curb. |
| Curbless over recessed framing | Joists are notched, lowered or sistered so the shower floor drops below the room floor. A structural detail to settle with the contractor and, where required, the building department. |
| Curbless over a slab | The slab is cut and lowered at the shower. Plumbing in the slab is re-routed. |
| Curbless by raising the room | The rest of the bathroom floor is built up instead, which then meets the hallway at a step or ramp. |
What code and permits apply to a walk-in shower?
The model code sets the size, valve and glass rules. Your building department adopts its own edition and decides what needs a permit.
2021 International Residential Code P2708.1 sets a minimum shower area and width, measured at the finished walls.
P2708.4 requires a pressure-balancing or thermostatic valve (ASSE 1016 or ASME A112.18.1) limited to 120°F.
R308.4.5 requires safety glazing in walls and enclosures around a shower when the glass is low and close to the water.
Cutting or lowering joists for a curbless entry is structural. Have a licensed contractor or engineer and the building department confirm the method.
If the shower is for someone with a disability, the 2010 ADA Standards (Section 608) describe roll-in and transfer shower dimensions. They bind public buildings, not homes, but are a useful reference.
What changes the budget of a walk-in shower?
No prices here; see what drives a remodeling budget and the calculator below. These are the lines that move it.
| Factor | Why it changes the number |
|---|---|
| Entry type | A low curb is the least floor work. Curbless over a slab or joists adds framing or concrete work. |
| Drain type | A linear drain costs more as a part but lets large tile run in one plane; a center drain asks for smaller tile or more cuts. |
| Glass | One fixed panel, a hinged door or a full enclosure. Frameless glass needs blocking in the wall. |
| Size and features | Bench, niche, multiple heads, a hand shower on a bar: each adds valve or framing work. |
| Waterproofing reach | A curbless shower is waterproofed past the shower; the more floor, the more membrane and labor. |
HyreRemodel publishes no national average price for this work. Size, finish level, whether plumbing, wiring or walls move, the age of the house and regional labor rates move it far enough that a single figure would mislead.
Does anyone need step-free access now or soon?
If yes, price curbless properly now: adding it later means tearing out the floor. If no, a low curb gives most of the look at less risk and less floor work.
How to compare walk in shower installation bids
Your inquiry
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Questions
What is the difference between a walk-in shower and a curbless shower?
Does a walk-in shower need a door?
Can any bathroom take a curbless shower?
Do I need a permit?
Does HyreRemodel install walk-in showers?
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