What is the min width for a shower door?

Author: Andy Gulgowski  |  Last update: Wednesday, January 7, 2026

Shower opening minimum 22” wide. Shower door must be able to open outward (inward is optional) Shower controls should be accessible without stepping into the shower spray.

How narrow can a shower door be?

Fixed glass shower doors come in a variety of widths, from 22 inches to 36 inches. The width of your fixed glass shower door will depend on the size of your shower opening. A 22-inch fixed glass shower door is a good option if you have a small shower opening, perhaps in a guest bathroom.

Is 24 too narrow for a shower door?

The reason that 24'' is approved for baths and powder rooms is because of doorswing into the room. If you are going to widen the doorway make sure that you have the clearance inside the bathroom to open the door all the way.

What is the minimum space for a shower door?

The realistic minimum shower door width tends to be 550mm, when the space is perhaps tighter, but when the customer still wants to make the most of the opening into the shower space. Normally with smaller single frameless shower doors, the glass thickness is 8mm, this keeps both the weight and cost down.

What's the minimum width for a shower door?

Shower opening minimum 22” wide. Shower door must be able to open outward (inward is optional) Shower controls should be accessible without stepping into the shower spray.

How To Measure for Shower Door

What is the minimum entrance for a shower?

Being able to comfortably access your shower is the first important point, who wants to have to awkwardly side-step into their new luxury shower because the doorway is too narrow? I would recommend a minimum opening of 550mm, depending on the person's stature and mobility, I may increase the dimension.

What is the minimum size for a walk in shower without a door?

How Big Should a Doorless Shower Be? A doorless shower layout requires a larger footprint than a standard tub or shower stall. Building codes may specify that a standard shower stall must be a minimum of 36 inches by 36 inches while the average doorless shower is about seven feet by four feet with many much larger.

What is the minimum width of a shower enclosure?

The minimum size for a shower enclosure is 28” x 28” (700 mm x 700 mm), according to the International Building Code Association (IBCA). The standard shower enclosure size begins at 30″ X 30″ (700 mm x 700 mm), which is generally the smallest available to purchase.

How much clearance space do I need for a shower?

A 30-inch x 48-inch clear floor space must be provided at shower stalls, parallel to the fixture and flush with the control wall. In 36-inch x 36-inch showers, the clear floor space must be positioned exactly as shown in the upper right diagram, with 12 inches offset behind the wall opposite the control wall.

Is 28 inches too narrow for a shower?

What is the smallest recommended size for a shower? A shower should be 36 inches square (36 inches x 36 inches). For tiny spaces, 30 inches square (30 inches x 30 inches) is the smallest space that can be used for a shower.

Can a bathroom door be 24 inches wide?

The smallest allowable opening is 24 inches but this is only allowed if existing walls prohibit any type of modifications. How to measure a clear opening of a door?

Is 24 wide enough for a shower?

If you have a small shower the sideways entry may be required but in general the most common straight in entry for people walking in is 24” wide.

Is a 24 inch shower door too small?

24-inch shower doors are compact. They are suitable for small bathrooms or shower enclosures. The compact dimensions make these doors ideal for bathrooms with limited space. These doors offer a minimalist and sleek look to achieve a modern bathroom interior.

Is a 30 shower too narrow?

From the smallest shower sizes of 30 inches by 30 inches (the smallest allowed by the International Residential Code) to showers bigger than the already generous 48 inches by 60 inches, the shower size you choose will impact your comfort, lifestyle, and more.

How much gap should a shower door have?

The gap between a shower door and the wall depends on the type of shower door and the installation method. Generally, a gap of about ¼” to ⅜” allows for proper clearance, preventing the door from rubbing against the door frame or wall.

What is the code width of a shower?

Standard roll-in type shower compartments shall be 30 inches (760 mm) wide minimum by 60 inches (1525 mm) deep minimum clear inside dimensions measured at center points of opposing sides and shall have a 60 inches (1525 mm) wide minimum entry on the face of the shower compartment.

What is the minimum width for a bathroom with a shower?

In general, the smallest size is 15 square feet, which can fit a sink and a toilet. For a shower, to be installed, at least 30-36 square feet is required.

What is the minimum width for an open shower?

Minimum Walk-In Shower Size

However, this is not a recommended walk-in shower size as water will splash and escape, even when this is concealed by a screen. Our professional and experienced opinion would advise that as a minimum, the tray should be at least 1200mm in length and anything between 700 and 900mm in width.

How narrow can a shower entrance be?

The minimum allowable shower door width is 22 inches wide: Anything narrower than that may not be up to code.

How do you keep water in a doorless shower?

Here are some of the best ways to prevent water from splashing out of your walk-in shower system:
  1. Consider Adding Shower Doors.
  2. Trench Drain Systems Can Help.
  3. Install a Shower Splash Guard.
  4. Install a Shower Pan With a Threshold.

Are doorless showers a good idea?

Doorless showers offer several benefits that make them a smart choice for many homeowners. One of the main advantages of a doorless shower is its accessibility. With no threshold or glass barrier, these showers are easy to enter and exit, making them ideal for homeowners of all ages and mobility levels.

What is the minimum width for a shower door?

When designing your shower enclosure, keep in mind that each glass panel needs to be at least 4 1/2" wide, which is the minimum width for tempering glass and supporting the hardware. Also, the door will need to be a minimum of 22" wide and no more than 36" wide.

How wide does a doorless shower need to be?

You will need at least 60 inches to contain the water. Also, think about getting in and out. Although you could make it smaller, for maximum comfort and accessibility, we want an opening at least 30 inches wide. If you have a wider shower, you might use a fixed panel and leave the opening doorless.

How much space do you need to enter a shower?

The minimum practical dimensions for a walk-in shower are around 80x120cm but they can be as long as 200cm. Using the shower is a lot easier if the width is over 90 cm.

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