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When structural steel elements are part of a Separating Element of Construction (partition, ceiling, etc.), care must be taken to ensure that the Insulation Criteria requirement (mandatory in AS 1530.4) or Separating Elements of Construction is not impeded. LAF have researched systems for upgrading and providing fire protection to structural steel elements which might penetrate fire walls in order to also satisfy the insulation criteria. For example the Vermitex® system may be used to upgrade purlins, I-beams and/or circular members penetrating through ‘party walls’ by spraying the steel member 25 mm thick for a distance of 300 mm.

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