Fire Performance

SAS Metal Ceiling are tested and certified in accordance with UK and European standards under BS 476-23 and EN13501.

The Building Regulations, Approved Document B, for Fire Safety sets out minimum requirements for the performance of ceilings within buildings. The requirements are either UK tested by BS 476, (class 0, class 1, class 3) or the European Class tested to EN 13501 ("Fire behaviour, smoke production, flaming droplets or debris").

The harmonised European class system will phase out the individual European countries classes over time. The national classifications do not automatically equate an equivalent in the European Class, unless they have been tested accordingly.

EN13964-2004, Suspended ceilings: requirements and test methods, requires that suspended ceilings pass the specific provisions of the test standards set out in EN13501.

SAS Ceiling tiles meet the requirements of Class O as set out in BS 476. The European class equivalent to Class O is B-s3, d2. Class 1 is equivalent to C-s3, d2.

It must be noted that SAS do not recommend that any suspended ceiling should be relied upon to protect the structural elements of a building.

A fire statement can be downloaded from our website, please visit www.sasint.co.uk/fire for full details.

If you require any further information please do not hesitate to contact our technical department.

SAS ceiling tiles have a European Class performance of:

-s1,

The first figure sets out the fire behaviour of the product, with a result ranging from A to F. Class ‘A1' products do not contribute in any stage of the fire. Class ‘A2' products do not significantly contribute to the fire load and fire growth. Class ‘B' products have limited lateral spread of flame with sufficiently delayed and limited heat release.

The second figure ‘s' relates to the smoke behaviour, with three classifications ‘s1' to ‘s3'. An ‘s3' classification requirement sets no limitation to the smoke production required. ‘s2' states and limits the total smoke production as well as the ratio of increase in smoke production. ‘s1' sets out more stringent criteria to ‘s2'.

The third figure relates to the volume of flaming droplets or particles, with classifications of d0-d2. A ‘d2' classification requirement does not limit the performance required. ‘d1' sets a given time that no flaming droplets or particles can persist for. The ‘d0' classification requires that no droplets or particles occur.

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