ire. The designs of ASICO wooden fire door are involved in actual testing under Britain Standard 476 Part 22, BS EN 1634-1/2 which deals with methods of determination of resistance to fire non-load bearing element of construction by Chiltern International Fire Laboratory in UK.??The BS standard is developed and tested by the British Standard Institute (BSI). BSI is an international non-official institution, offering a comprehensive range of fire testing service with a worldwide reputation. Est