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Curbless Showers in Meridian, Idaho
A level entry with no step, achieved by recessing or building up the floor so the slope is engineered rather than improvised.
Short answer
A curbless shower removes the raised threshold so the bathroom floor runs continuously into the wet area. Getting there is a structural question before it is a design one: the shower floor still has to fall to a drain, so either the subfloor is recessed within the joist bays or the surrounding floor is raised to meet it. Which of those is possible in your home depends on joist direction, joist depth and what is below the bathroom.
Three ways to get a level entry
There is no single curbless detail. The right one comes out of what we find when the floor is opened, and it is worth understanding the options before a contractor promises you one over the phone.
| Approach | When it works | Trade-offs |
|---|---|---|
| Recess the subfloor between joists | Joists run the right direction, have depth to spare, and the ceiling below can be opened or is already accessible | The most invasive option, but gives a true flush entry with no floor build-up anywhere |
| Sister and notch with an engineered detail | Marginal joist depth where a designed modification can be justified | Requires structural sign-off; not a decision to make on site by eye |
| Raise the bathroom floor to meet the shower | Slab-on-grade homes, or upper floors where the ceiling below must stay closed | Introduces a small transition at the bathroom door instead of at the shower |
On a slab-on-grade home, a genuinely flush entry usually means either cutting and re-pouring the slab or accepting a raised floor across the bathroom. Anyone who tells you it is trivial has not looked at the slab.
Keeping the water in without a curb
The curb was doing a job. Removing it means the water has to be managed by geometry and drainage instead. In practice that means a longer wet zone, a drain positioned so the flow runs away from the opening, and enough fall across the whole shower floor that nothing pools at the entry.
- A linear drain set at the back wall or across the entry line, so the floor falls in one plane instead of four
- A deeper shower footprint that puts the spray well away from the opening
- A fixed glass panel positioned to catch overspray without needing a door
- Waterproofing extended past the shower into the surrounding floor area
- A handheld on a slide bar rather than a fixed head aimed at the opening
Why homeowners ask for curbless
Roughly half the curbless showers we build are chosen for how they look — an uninterrupted floor makes a small bathroom read considerably larger, and it is the detail that most reliably makes a shower feel designed rather than installed. The other half are chosen for access: a level entry removes the step that ends most people's ability to shower independently, and it does so years before anyone needs a grab bar.
Both reasons lead to the same build. If you are remodelling a shower anyway and there is a plausible route to a level entry, it is worth pricing, because retrofitting one later means opening the same floor a second time.
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