Following recent events, it’s really important to know the fire standards of the cladding you’re using on buildings. By law, all buildings above 18 metres in height need to have cladding which is fire rated. Most cladding has some sort of protection built in, but only those which are FR should be used on these taller buildings.
These ratings range from an A1 to a D in accordance with European Standards EN-13501-1.
Class A1 – Products are described as having no contribution to fire at any stage. BS EN 13501 sets several thresholds for combustion performance when tested to both EN ISO 1716 and EN ISO 1182. One of these thresholds is a maximum heat of combustion of 2MJ/kg. Typical products meeting this classification include most inorganic materials such as metal and stone.
Class A2, s3, d2 – Products are described as having no significant contribution to fire at any stage. BS EN 13501 sets several thresholds for combustion when tested to EN ISO 1182, or both EN ISO 1716 and EN 13823. One of these thresholds is a maximum heat of combustion of 3MJ/kg. A typical product meeting this classification is plasterboard.For comparison, Wood has a typical value of 15 MJ/Kg.
Some products use a slightly different fire classification known as the BR 135 standard, set by the BRE (Building Research Establishment). When using a cladding product that is classified using this method, a full classification report must be supplied to prove compliance with BR 135.
For full information on the fire rating of a specific product, get in touch with us. We’d be more than happy to help.
Your perfect match: Hardie® Architectural Panel Metallics combines the advantages of fibre cement facade cladding with a metallic look.
Elevating your design flexibility to a new level. Our Metallics colourline has been inspired by typical metal materials, combining them with the unique look of our fibre cement surface. When exposed to natural sunlight, the facade panel will show its metallic sparkling, allowing you to integrate special accents into your building.
The A2-s1, d0 rated panel can be trusted for protection against fire and extreme weathering for many years to come, whilst providing the strength, durability and style that your clients deserve. All of our external façade products are backed by an industry leading 15-year warranty.
Hardie comes in a range of colours.
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