Fire Performance

SAS metal ceilings are tested and certified in accordance with UK and European standards.

UK Building Regulations

The Building Regulations’ ‘Approved Document B’ for fire safety sets out minimum requirements for the performance of ceilings within buildings. The requirements are either tested to UK standards (BS 476 Parts 6 and 7), or European standards (EN 13501-1).

Our ceiling tile test results fully comply with BS 476 Parts 6 and 7. When read in conjunction, these results meet Class 0 requirements as defined in the UK Building Regulations.

Please note, 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.

European Standards (EN 13501-1)

European Class performance of A1

SAS ceiling tiles with up to 63% open area without fleece or inlay

SAS linear systems and mesh tiles (patterns HS-DL) in steel or aluminium

European Class performance of A2-s1, d0

SAS ceiling tiles with up to 39% open area and acoustic backing fleece

SAS ceiling tiles with up to 22% open area and mineral wool inlay, steel or plasterboard backing, and/or chilled elements

What does this mean?

The first figure sets out the fire behaviour of the product, with a result ranging from A to F:

A1   Product does not contribute to fuelling the fire at any stage.

A2   Product does not significantly contribute to the fire load nor spread.

B     Product has 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  Product emits negligible smoke emissions.

s2  Product emits a limited amount of smoke.

s3  No limitation set for emissions.

The third figure (‘d’) relates to the volume of flaming droplets or particles, with classifications of d0-d2:

d0  Classification requires that no droplets or particles occur at any time during the test.

d1   Stipulates a minimum period of time where no flaming droplets or particles can persist.

d2  Classification does not limit the performance required.