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and moisture. Compliance with this standard ensures durability in challenging conditions.
Knauf AQUAPANEL® Knauf’s AQUAPANEL® Cement Board Indoor is compliant with EN 13501-1 and EN 12467. It provides a durable solution, that is unaffected by water, designed to withstand high-moisture conditions. During EN 13501-1 tests the specialist
board achieved A1 fire classification, which means it is completely non-combustible. The board also has high resistance to impact and wear. Its lightweight design (11kg/m2) makes it easy to handle and install, reducing structural load while maintaining high robustness. The versatility of Knauf AQUAPANEL®
Specialist Solutions for Wet Indoor Areas
When designing indoor projects, it’s important to consider the internal environment so that the materials specified and installed meet key requirements, particularly in high- moisture environments like swimming pools or high humidity areas such as wet rooms or saunas. Exposure to constant humidity, water and in some settings, chlorine can compromise structural integrity, lead to mould growth and escalate maintenance costs. Designers and specifiers are tasked with overcoming these issues while adhering to strict building regulations and ensuring long- term performance.
The Challenge Designing and building spaces that are consistently exposed to water and humidity requires materials that resist degradation and maintain structural integrity over time. Traditional construction materials like gypsum boards or wood often struggle in these environments, with problems such as swelling, warping and mould growth affecting the building’s durability and posing significant health risks. Settings such as swimming pools can worsen
these challenges due to their large-scale exposure to water, humidity and chlorine. Addressing these challenges while
remaining compliant with industry standards is critical for ensuring well- functioning facilities.
Meeting Regulations There are standards in the UK that products must meet to ensure that materials used in wet environments, such as swimming pools and saunas, perform reliably and are safe, durable and compliant with best practices. These include:
• EN 13501-1:2018 provides the reaction to fire classification procedure for all construction products, including products incorporated within building elements (except for power, control and communication cables, which are covered by EN 13501-6). The parameters of the standard evaluate ignitability, flame spread, heat release, smoke production and propensity for producing flaming droplets or particles.
• EN 12467:2012+A2:2018 specifies the performance requirements and test methods for fibre-cement flat sheets, including resistance to bending, frost
Cement Board Indoor also allows for curved designs due to its maximum bending radius of 1m and can support heavy tiling, up to 50kg/m2 with standard methods or 120kg/m2 with specific build-ups. The score-and-snap cutting method simplifies installation, eliminating pre-drilling and reducing dust on site. Additionally, its 12.5mm thickness makes it easy to align with UK plasterboards, removing the need for packers and streamlining transitions. The board is made from inorganic
materials – chemical compounds that contain no carbon – and is not affected by water. Unlike gypsum boards or wood, it does not swell, deteriorate or lose integrity when exposed to moisture, making it ideal for wet rooms and swimming pools. It is also resistant to mould growth, which ensures hygiene and health in damp environments.
Available Nationwide Knauf AQUAPANEL® is available from Nevill Long Interior Systems – a specialist distribution division of The Encon Group, the UK’s leading independent distributor of building materials and interior solutions. Our experienced teams support customers at every stage of the design and installation process and our national branch network ensures the right solutions are delivered for your interior and fit- out projects, on time and as specified.
Learn more at
www.encon.co.uk
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