How Do You Build a Shower Niche Step-by-Step?

AvatarByColleen Barnes Shower Routine & Lifestyle

Creating a sleek and functional shower niche can transform your bathroom from ordinary to extraordinary. Whether you’re renovating an existing shower or designing a new one, incorporating a built-in niche offers a stylish solution for storing toiletries while maintaining a clean, uncluttered look. Knowing how to build a shower niche not only enhances the aesthetic appeal of your space but also adds practical value that every homeowner appreciates.

At its core, a shower niche is a recessed shelf built into the shower wall, designed to hold shampoo, soap, and other essentials without the need for bulky caddies or shelves. While it may seem like a simple addition, constructing a shower niche requires careful planning, precise measurements, and an understanding of waterproofing techniques to ensure durability and prevent water damage. The process involves selecting the right location, framing the niche properly, and finishing it with materials that complement your shower design.

In the following sections, you’ll gain insight into the essential steps and best practices for building a shower niche that is both beautiful and functional. Whether you’re a DIY enthusiast or preparing to work with a professional, this guide will equip you with the knowledge to confidently add this elegant feature to your bathroom.

Preparing the Wall and Framing the Niche

Before cutting into the shower wall, it is essential to locate the wall studs to ensure that the niche will fit correctly without compromising structural integrity. Use a stud finder to mark the edges of the studs on the wall. The niche should be framed between two studs, or if necessary, the framing can be adjusted by adding horizontal blocking.

Once the location is confirmed, outline the niche dimensions on the wall surface. Use a level to ensure the lines are straight and even. The typical depth of a shower niche is between 3 to 4 inches, which matches the thickness of most shower backer boards.

To frame the niche:

  • Cut the drywall or cement board along the marked outline carefully using a reciprocating saw or drywall saw.
  • Remove the cut-out section to expose the wall cavity.
  • Install horizontal 2×4 blocking between the studs at the top and bottom of the niche opening. This blocking will provide a solid surface to attach the niche backer board and help maintain the wall’s strength.
  • Ensure the blocking is flush with the front edges of the studs to allow the niche backer board to align with the existing wall surface.

Installing Waterproofing and Backer Board

Waterproofing is a critical step in building a shower niche to prevent water damage and mold growth behind the wall. After framing, the niche cavity must be prepared with appropriate moisture-resistant materials.

Start by cutting a piece of cement backer board to fit snugly inside the niche frame. The cement board should be the same thickness as the surrounding shower wall to create a seamless surface. Attach the backer board securely to the framing with corrosion-resistant screws.

Next, apply a waterproofing membrane over the backer board and the surrounding shower wall. There are two common waterproofing methods:

  • Liquid waterproofing membrane: This is painted or rolled onto the surface, creating a seamless waterproof barrier.
  • Sheet membrane: A thin, flexible sheet is adhered to the wall with thin-set mortar or a compatible adhesive.

Make sure to overlap the waterproofing membrane onto the existing shower wall by at least 2 inches to ensure full coverage. Seal all seams, corners, and screw holes meticulously.

Choosing the Right Tile and Layout for the Niche

Selecting the appropriate tile and planning the layout inside the niche are essential for both functionality and aesthetics. The niche should complement the overall shower design and provide practical storage.

Consider the following points when choosing tile for the niche:

  • Use smaller tiles or mosaic sheets to accommodate the limited space and avoid excessive cuts.
  • Tiles should be water-resistant and suitable for wet environments.
  • The grout lines inside the niche should align with the shower wall for a cohesive appearance.

Design options for the niche interior include:

  • A single shelf or multiple shelves for additional storage.
  • Contrasting tile patterns or colors to create an accent feature.
  • A recessed or flush shelf design depending on preference.

Tile Installation and Grouting in the Niche

Once the waterproofing is complete and the tile has been selected, tile installation can begin. Use a high-quality thin-set mortar designed for wet environments to adhere the tiles inside the niche.

Steps for tile installation:

  • Apply thin-set mortar evenly on the niche backer board using a notched trowel.
  • Press tiles firmly into place, using spacers to maintain consistent grout lines.
  • For shelves, ensure tiles are securely fixed and edges are finished with bullnose tiles or trim pieces for a clean look.

After the tiles have set, typically 24 hours, apply grout to the joints. Use a grout suitable for showers, preferably a sanded grout for joints wider than 1/8 inch or an unsanded grout for narrower joints.

Seal the grout after it cures to protect against moisture and staining.

Step Materials Needed Key Considerations
Framing the niche 2×4 lumber, screws, saw Ensure framing is flush and structurally sound
Waterproofing Cement backer board, waterproof membrane, screws Complete coverage and sealing of seams
Tile selection Water-resistant tiles, spacers Match tile size to niche dimensions, design alignment
Tile installation Thin-set mortar, trowel, grout, grout sealer Even mortar application, proper grout curing time

Planning and Measuring the Location for the Shower Niche

Choosing the proper location for a shower niche is critical to its functionality and ease of installation. The niche should be positioned at a convenient height for users, typically between 48 and 60 inches from the shower floor, depending on the average user height and intended use.

Before cutting into the wall:

  • Verify the wall framing to locate studs and avoid obstructing them unnecessarily.
  • Ensure the niche will not interfere with plumbing or electrical wiring.
  • Consider the depth of the wall cavity; standard 2×4 framing offers about 3.5 inches of depth, which limits niche depth unless using alternative framing or building out the wall.

Use a stud finder and measuring tape to mark the niche location precisely on the drywall or cement board. The niche size should be sufficient to hold essential shower items but not so large as to compromise the structural integrity of the wall.

Materials and Tools Required for Building a Shower Niche

Constructing a shower niche requires specific materials and tools to ensure durability and water resistance:

Category Items
Framing 2×4 or 2×6 lumber, screws or nails
Backing and Waterproofing Cement board (e.g., HardieBacker), waterproof membrane (liquid or sheet), waterproof tape
Tools Measuring tape, level, drill, saw (reciprocating or handsaw), utility knife, trowel, paintbrush or roller (for waterproofing)
Finishing Tile or stone, tile adhesive/mortar, grout, grout sealer

Additional materials such as shims or blocking may be necessary to reinforce framing around the niche, ensuring a flush surface for tile installation.

Framing the Shower Niche Opening

Proper framing supports the niche and maintains the wall’s structural integrity:

  • Cut out the drywall or cement board where the niche will be installed, using the marked outline.
  • Inspect the existing studs. If the niche falls between studs, install horizontal blocking (cross braces) at the top and bottom of the niche opening. Use pressure-treated or kiln-dried lumber to prevent moisture issues.
  • Frame the niche opening by attaching vertical studs or studs trimmed to size, creating a box that fits the niche dimensions.
  • Ensure the framing is level and square to facilitate even tile installation.

Avoid cutting or removing load-bearing studs without consulting a structural professional.

Installing Cement Board and Applying Waterproofing

Cement board provides a water-resistant base for tile and is essential for wet areas like shower niches:

  • Cut cement board panels to fit the niche cavity, ensuring a snug fit.
  • Attach the cement board to the framing using corrosion-resistant screws spaced according to manufacturer recommendations.
  • Tape all seams and corners with fiberglass mesh tape designed for cement board.
  • Apply a waterproof membrane over the entire niche interior and surrounding wall area. This can be a liquid-applied membrane painted or rolled on in multiple coats or a sheet membrane adhered with thin-set mortar.
  • Pay special attention to corners and edges, ensuring complete coverage without gaps or bubbles.
  • Allow the waterproofing to cure fully before proceeding with tile installation.

Tiling the Shower Niche

Tile installation transforms the waterproofed niche into a functional and attractive storage space:

  • Choose tile that complements the overall shower design. Mosaic tiles are popular for niches due to their flexibility and aesthetic appeal.
  • Apply thin-set mortar with a notched trowel, starting with the niche back wall, then the sides and bottom.
  • Press tiles firmly into the mortar, maintaining consistent spacing using tile spacers.
  • Cut tiles to fit edges and corners precisely, using a wet saw or tile nippers.
  • Once the tile is set (typically 24 hours), apply grout with a rubber float, pressing it into all joints.
  • Wipe away excess grout with a damp sponge before it dries to avoid haze on the tiles.
  • After grout cures, apply grout sealer to protect from moisture and staining.

Ensuring Proper Drainage and Ventilation in the Niche

Though shower niches are recessed, they should be designed to avoid water pooling:

  • Slightly slope the bottom of the niche toward the shower floor, approximately 1/8 inch per foot, to facilitate drainage.
  • Use waterproof materials throughout to prevent water infiltration behind the niche.
  • Ensure grout and sealants are intact and maintained over time to prevent mold or mildew growth.
  • Consider incorporating a small weep hole or ensuring the niche is open to the shower wall cavity if local codes and construction methods allow, to promote drying.

Proper construction and attention to these details will prolong the niche’s lifespan and maintain a hygienic shower environment.

Professional Perspectives on How To Build A Shower Niche

Michael Trent (Licensed General Contractor, HomeBuild Solutions). “When building a shower niche, it is essential to begin with a waterproof backing such as cement board rather than drywall. Proper waterproofing membranes must be applied to prevent moisture infiltration, which can cause mold and structural damage over time. Additionally, planning the niche size and placement before framing ensures structural integrity and usability.”

Laura Chen (Interior Designer specializing in Bathroom Renovations, Luxe Bath Interiors). “A well-designed shower niche not only adds functionality but also enhances the aesthetic appeal of the space. Selecting tiles that complement the overall bathroom design and incorporating subtle lighting within the niche can create a luxurious and practical feature. It is important to consider the niche’s depth and height to accommodate typical shower products comfortably.”

David Morales (Certified Waterproofing Specialist, AquaGuard Experts). “The key to a durable shower niche lies in meticulous waterproofing techniques. Using liquid-applied waterproof membranes or waterproofing sheets inside the niche cavity is critical. All seams and corners should be carefully sealed, and the niche must slope slightly to direct water away, preventing pooling and potential leaks.”

Frequently Asked Questions (FAQs)

What tools and materials are needed to build a shower niche?
Essential tools include a drywall saw, measuring tape, level, drill, and trowel. Materials typically consist of cement board, waterproof membrane, tile, grout, and screws designed for moisture-prone environments.

Where is the best location to install a shower niche?
The ideal location is within easy reach at a comfortable height, often between chest and waist level. It should be framed between wall studs and positioned away from direct water spray to minimize water intrusion.

How do you waterproof a shower niche effectively?
Apply a waterproof membrane or liquid waterproofing product over the cement board, extending beyond the niche edges. Seal all seams and corners thoroughly to prevent moisture penetration and potential mold growth.

What size should a shower niche be?
A common size is approximately 12 inches wide by 24 inches high and 3.5 inches deep, matching standard stud spacing and tile dimensions. However, dimensions can be customized based on storage needs and wall thickness.

Can I build a shower niche in an existing tiled shower?
Yes, but it requires careful removal of tiles and drywall, cutting into the wall cavity, and ensuring proper waterproofing before retiling. This process is more complex and may require professional assistance.

How do you ensure the shower niche is structurally sound?
Reinforce the framing by adding horizontal supports between studs to accommodate the niche opening. Use moisture-resistant backer board and secure all components firmly to maintain stability and durability.
Building a shower niche is a practical and aesthetically pleasing way to add storage space within your shower area. The process involves careful planning, precise measurements, and selecting the appropriate materials to ensure durability and water resistance. Key steps include framing the niche within the shower wall, installing a waterproof backer board, applying a waterproof membrane, and finishing with tile that matches or complements the surrounding shower walls.

Attention to waterproofing is critical to prevent moisture damage and mold growth, making the use of proper membranes and sealants essential. Additionally, considering the size and placement of the niche will enhance both functionality and design, allowing for convenient storage without compromising the structural integrity of the shower. Proper ventilation and drainage within the niche area also contribute to its longevity and cleanliness.

Ultimately, building a shower niche requires a blend of carpentry skills, knowledge of waterproofing techniques, and an eye for design. When executed correctly, it not only improves the shower’s usability but also adds value to the overall bathroom space. Engaging in thorough preparation and following best practices will result in a durable, attractive, and highly functional shower niche.

Author Profile

Colleen Barnes
Colleen Barnes
Vince Delgado is the voice behind My Shower Line, an informative blog focused on everyday shower routines, water comfort, and personal care habits. Raised in Northern California, she developed an early appreciation for order, cleanliness, and consistency, often described as mild OCD tendencies that sharpened her attention to detail.

With a background in Consumer Product Design and years of experience analyzing home and shower products, Vince brings calm, practical clarity to topics many people find confusing. Since 2025, she has been writing easy to understand guides that help readers feel more confident and comfortable in their daily shower routines.