Performance of Internal Drainage System

Test Sample versus Site Sample

1m x 1m Test Sample and Details of internal drainage system (half mullion)

5m x 5m Site Sample and Details of internal drainage system (centre mullion)

Test reports of our Single bank ventilation louvres, Double bank rainproof ventilation louvres and Triple bank stormproof ventilation louvres.

A - Details of internal drainage system (half mullion)

BSRIA being one of the only two laboratories in the world that is fully accredited and independent, ensures that the most stringent and credible test results are derived in accordance to the latest test standards.

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