This informal CPD article, ‘Why Waterproof Wall Systems Are Changing Bathroom Design in Modern Construction’, was provided by Fibo UK, a leading provider of high-quality, waterproof wall panels, proudly designed and manufactured in Norway.
Bathrooms have typically been one of the more demanding areas to deliver in residential construction. They need to withstand daily wear, manage moisture effectively and continue performing long after installation, all while meeting growing expectations around design and finish.
For decades, tiling has been the standard approach for bathroom walls. It is familiar, widely used, and capable of creating attractive, long-lasting finishes. However, construction priorities are shifting. Developers are being asked to deliver homes more efficiently, labour shortages continue to affect project timelines, and there is now an increased focus on how materials will perform over the long term (1).
As a result, project teams are taking a closer look at how bathrooms are designed and delivered, and whether traditional methods still provide the most practical solution. Whilst traditional tiling remains the preferred specification for many projects due to its versatility, aesthetics and established installation methods, waterproof wall systems are increasingly being explored as an alternative where programme, maintenance or lifecycle performance are key considerations (2).
This is one reason waterproof wall systems are receiving more attention. Rather than being viewed simply as an alternative to tiles, they are increasingly being explored as a way of reducing installation complexity, improving durability, and easing long-term maintenance demands.
Why Bathroom Construction Methods Are Evolving: Bathroom installation has traditionally been a detailed process
Tiled bathrooms often involve multiple stages before completion, from preparation through to finishing works. On larger housing developments, repeating this process across numerous properties can increase pressure on labour, coordination, and project timelines.
Even minor delays in bathroom fit-out can have a knock-on effect, holding up other trades and placing pressure on completion dates. For developers and contractors, this matters. Bathrooms are often completed towards the latter stages of a project, meaning delays can quickly affect handover schedules. Reducing complexity has therefore become more important than it once was.
In residential construction, where consistency across multiple properties is important, reducing unnecessary installation stages can also help improve predictability and minimise disruption on site. This does not mean replacing traditional methods for the sake of speed. Instead, there is growing interest in solutions that can simplify installation while still delivering the durability and finish expected in modern homes.
Tiles are often chosen because they are durable, widely understood by installers and available in a broad range of finishes and price points. When correctly installed and maintained, tiled wall systems can provide many years of service. However, grout lines may become stained, discoloured or more difficult to maintain as bathrooms age. In high-use environments, keeping grout clean can require regular upkeep and, eventually, repair. Moisture can also become more difficult to manage if finishes begin to deteriorate or bathrooms are poorly ventilated (2).
This has become more relevant as developers, landlords and housing providers look more closely at lifecycle performance. A bathroom that looks good on completion is important, but so too is how it performs years later. For developers in particular, repeated maintenance across multiple properties can become costly and disruptive for occupants.
Grout-free waterproof wall systems are increasingly being considered as one way of reducing this burden. By minimising porous and creating wipe-clean surfaces, they can help simplify upkeep while supporting hygiene in moisture-prone spaces. However, project teams should also consider factors such as installation requirements, product testing, lifecycle costs and design intent when comparing bathroom wall systems (3). That does not mean tiled bathrooms are disappearing altogether. Instead, project teams are becoming more selective about where different systems are best suited.
Bathrooms are exposed to constant humidity, regular cleaning, and changing temperatures. Materials are expected to withstand repeated use without compromising performance. Waterproof wall systems have developed considerably in recent years, with a number of manufacturers offering systems specifically designed for wet environments. Rather than relying on several separate elements to provide moisture protection, many systems are designed to work as a complete solution for wet areas.
The shift away from traditional tiling may not happen overnight, but expectations around bathroom performance are clearly changing. Materials are now expected to support easier installation, lower maintenance and dependable durability while still meeting modern design standards. The focus is not simply on offering an alternative to tiles, but on helping the industry respond to changing demands around efficiency, longevity, and practicality.
What Specifiers Should Look for in a Modern Waterproof Wall System
Selecting a wall finish for bathrooms or wet rooms involves more than choosing a design. Durability, installation requirements, and ongoing maintenance all play a part in determining whether a material is suitable for the demands of a space.
As waterproof wall systems become more widely available, those responsible for selecting bathroom materials are faced with a growing number of options. Yet while many products may look similar at first glance, they are not always designed to do the same job.
Some wall panels are intended primarily as decorative finishes, while others are developed specifically for wet areas and designed to provide waterproof protection as part of the wall build-up itself. Understanding the difference early on can help avoid problems later and support better long-term outcomes.
Decorative panels suit lower moisture settings
Decorative Panel or Waterproof System?
One of the first things to establish is whether a product is decorative or designed to perform in wet environments. Many wall panels now replicate the look of stone, tile, or natural materials, making it difficult to distinguish between systems based on appearance alone. However, the finish only tells part of the story.
Decorative panels may suit lower moisture settings but can still rely on additional waterproofing behind the surface. In bathrooms, shower rooms and wet areas, this distinction matters. Products exposed to regular moisture are expected to do far more than provide a visual finish. They need to help protect the structure behind them and cope with everyday use.
Waterproof wall systems, by contrast, are developed specifically for these environments and designed to resist moisture as part of the finished wall build-up. This distinction is important because products that appear visually similar may perform very differently once installed. Understanding whether a panel is decorative or designed as part of a waterproof system can help avoid specification decisions based on appearance alone. Features such as interlocking joints, tested waterproof performance, and durable core materials are often what separate purpose-designed waterproof systems from decorative alternatives.
Several manufacturers now offer waterproof wall systems specifically for wet areas, each using different construction methods, core materials and jointing systems. When comparing products, specifiers should consider independent testing, warranty provision, installation guidance and suitability for the intended environment. alternatives. Taking time to understand a material's intended application, testing and certification can help avoid unnecessary issues as a project progresses.
Durability: Looking Beyond Appearance
Bathroom surfaces are subjected to daily wear, frequent cleaning and changing conditions, making durability an important consideration. Rather than focusing solely on surface appearance, it is worth understanding how a product is built and whether it has been developed to cope with high-moisture environments.
The material beneath the visible finish can influence strength, stability, and lifespan. Some products are designed primarily to deliver an aesthetic result, while others are engineered with long-term performance in mind. Different manufacturers use different substrate materials depending on the intended application. Some panels, for example, are manufactured using a plywood core intended to provide strength and stability in bathroom environments, whilst other systems may use alternative core materials. Understanding these differences can help support informed specification decisions.
Questions around product testing, warranties and suitability for wet areas can also help build a clearer picture of how a material is expected to cope with day-to-day use. Checking whether a product has been developed specifically for wet environments may also help reduce avoidable maintenance or premature replacement over time. In practical terms, durability is about understanding how a material is likely to cope with regular use, cleaning, and moisture exposure without creating unnecessary upkeep over time.
Why Installation Method Matters
How a product is installed should form part of the selection process. Installing tiled wall finishes can be a detailed process, often involving several stages before a bathroom is complete, including preparation, fixing, curing and grouting. Experienced installers can complete this efficiently, but on larger schemes carrying out the same process repeatedly can place additional pressure on labour and site coordination.
By comparison, some waterproof wall systems are designed to simplify fitting and reduce the number of stages involved. For larger schemes or repeated bathroom layouts, this may also help improve consistency across installations.
When assessing products, useful questions to ask include:
- How complex is the installation process?
- Does the system require specialist labour?
- Are additional waterproofing measures needed?
- How easily can installation be repeated consistently across multiple units?
Installation considerations are not only relevant to contractors. Understanding how easily a product can be fitted consistently may also help project teams reduce snagging risks and support a more reliable finish across multiple bathrooms. Ease of installation should never come at the expense of quality, but understanding what is required on site can help determine whether a product is suitable for a project.
Hygiene and Maintenance
Bathrooms are expected to withstand regular cleaning whilst remaining hygienic and easy to maintain. Traditional tiled finishes can require more upkeep over time, particularly where grout becomes stained or more difficult to clean. In some cases, areas around grout lines may also require more attention to maintain appearance and hygiene standards.
This is particularly relevant in settings such as housing, hospitality, and healthcare, where ease of maintenance can affect both long-term management costs and occupant experience. Many waterproof wall systems incorporate smooth, grout-free surfaces that can support easier cleaning and reduce areas where dirt or moisture may collect. Maintenance considerations are worth discussing early, especially where reducing future upkeep is a project priority.
Asking the Right Questions
Selecting a waterproof wall system involves more than comparing finishes or upfront costs. Understanding how a material performs, how it is installed and what maintenance it may require can all influence whether it is suitable for a project.
Manufacturers are continuing to broaden the range of waterproof wall systems available, giving specifiers more options than ever before. Rather than there being a single solution for every project, the most appropriate choice will depend on factors including budget, design intent, programme, maintenance strategy and expected building use.
Appearance will always matter, but practical performance matters just as much. Taking time to consider how materials cope with moisture, cleaning demands and everyday use can help support better-informed decisions and bathrooms that are easier to manage over time.
We hope this article was helpful. For more information from Fibo UK, please visit their CPD Member Directory page. Alternatively, you can go to the CPD Industry Hubs for more articles, courses and events relevant to your Continuing Professional Development requirements.
References
- NHBC (2025) NHBC Standards 2025. Milton Keynes: National House Building Council. Available at: https://www.nhbc.co.uk (Accessed: 17 July 2026).
- The Tile Association (2024) Technical Guidance and Best Practice. Available at: https://www.tiles.org.uk (Accessed: 17 July 2026).
- British Standards Institution (BSI) (2018) BS 5385-1:2018 Wall and Floor Tiling – Part 1: Design and Installation of Ceramic, Mosaic and Natural Stone Wall Tiling in Normal Internal Conditions – Code of Practice. London: BSI.
