Installing a Walk-In Shower: Complete Guide for a Modern Bathroom

A walk-in shower installation is one of the most popular bathroom renovation trends. Combining modern design, accessibility, and comfort, it transforms any space into a stylish and functional area. Whether you're renovating or building new, here’s everything you need to know.

SFA guide|

2 min read

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Elodie

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Published on 7/2/2026

Sanifloor+

Why Choose a Walk-In Shower?

A walk-in shower offers multiple benefits:

  • Easy access: Step-free entry, ideal for seniors and people with reduced mobility
  • Space-saving design: Perfect for both small and large bathrooms
  • Modern aesthetics: Seamless integration with floor tiles for a minimalist look
  • Easy maintenance: Fewer joints and no bulky enclosures
  • Key Requirements for Walk-In Shower Installation

Before installing a walk-in shower, consider these technical constraints:

  • Sufficient floor depth to install drainage
  • Proper slope (minimum 2%) for water flow
  • Waterproofing system to prevent leaks
  • Non-slip flooring for safety

In renovation projects, these elements can be challenging, especially when gravity drainage is not possible.

  • Step-by-Step Walk-In Shower Installation
  • Prepare and level the floor
  • Install drainage system with correct slope
  • Build the shower base
  • Install the shower tray or tiled base
  • Connect water supply
  • Apply waterproofing system
  • Install tiles (anti-slip recommended)
  • Add finishing elements (glass panel, shower column, accessories)
  • Install a Walk-In Shower Anywhere with SFA Sanifloor+

With Sanifloor+ by SFA, installing a walk-in shower becomes possible anywhere—even without traditional drainage constraints.

  • Key advantages:
  • Pumps wastewater without gravity
  • Ideal for bathroom renovations or remote installations
  • Compact design, easy to conceal
  • High performance (up to 30 L/min flow rate)
  • Flexible solutions:

Sanifloor+ is available in multiple versions to suit:

  • Tiled floors
  • Flexible flooring
  • Extra-flat shower trays
  • Ready-to-tile systems
  • Cost of Installing a Walk-In Shower

The cost of a walk-in shower installation is generally higher than a standard shower due to:

  • Floor integration work
  • Waterproofing requirements
  • Premium materials

However, the investment is justified by durability, comfort, and added property value.

Conclusion: A Modern and Flexible Bathroom Solution

A walk-in shower is the perfect solution for a modern, accessible, and elegant bathroom. Thanks to innovative solutions like Sanifloor+, you can now install one anywhere in your home—without technical limitations.

FAQs

Frequently Asked Questions

  • Sanifloor+ is a grey water lifting pump designed for walk-in showers and wet rooms. It allows wastewater to be pumped away when conventional gravity drainage or sufficient floor depth is not available, making it suitable for bathroom renovations and installations in challenging locations.

  • Sanifloor+ offers a high flow rate of up to 30 litres per minute. This makes it suitable for many walk-in shower installations, including applications using a rain shower, provided that the installation is designed and connected according to the product instructions.

  • Sanifloor+ can be used in bathroom renovations, wet rooms, guest bathrooms, converted rooms and other locations where conventional drainage is difficult to install. Its compact design and different configurations make it suitable for both residential projects and installations with limited floor depth.

  • Sanifloor+ is available in several versions to suit different floor coverings: Sanifloor+ 1 for tiled floors Sanifloor+ 2 for flexible flooring Sanifloor+ 3 for extra-flat shower trays Sanifloor+ 4 Wedi® for ready-to-tile shower trays The correct version should be selected according to the type of floor or shower tray used in the project.

  • The installation must include a suitable waterproofing system, a correctly prepared shower base and a sufficient slope to direct water towards the drain. The floor covering, drain configuration, electrical supply and access for maintenance should also be considered before installation. A qualified professional should carry out the work when required.

  • Sanifloor+ is a grey water lifting pump designed for walk-in showers and wet rooms. It allows wastewater to be pumped away when conventional gravity drainage or sufficient floor depth is not available, making it suitable for bathroom renovations and installations in challenging locations.

  • Sanifloor+ is available in several versions to suit different floor coverings: Sanifloor+ 1 for tiled floors Sanifloor+ 2 for flexible flooring Sanifloor+ 3 for extra-flat shower trays Sanifloor+ 4 Wedi® for ready-to-tile shower trays The correct version should be selected according to the type of floor or shower tray used in the project.

  • Sanifloor+ offers a high flow rate of up to 30 litres per minute. This makes it suitable for many walk-in shower installations, including applications using a rain shower, provided that the installation is designed and connected according to the product instructions.

  • The installation must include a suitable waterproofing system, a correctly prepared shower base and a sufficient slope to direct water towards the drain. The floor covering, drain configuration, electrical supply and access for maintenance should also be considered before installation. A qualified professional should carry out the work when required.

  • Sanifloor+ can be used in bathroom renovations, wet rooms, guest bathrooms, converted rooms and other locations where conventional drainage is difficult to install. Its compact design and different configurations make it suitable for both residential projects and installations with limited floor depth.