LAF has specifically designed and developed fire safety solutions for heritage ceiling which do not require substantial changes to historic building fabric. This unique system allows the Foamed Vermitex® ‘AF’ to be introduced into the floor voids (between floor joists) with minimal disruption to the fabric of the existing ceiling. Minimum access is required with only two floor boards to be removed every 1300 mm. Ceiling systems that may be upgraded with Foamed Vermitex® ‘AF’ system are: Fibrous Plaster Ceilings, Timber Ceilings, Pressed Metal Ceilings and Lath & Plaster Ceilings.
Foamed Vermitex® ‘AF’ is an ultra-lightweight material developed on behalf of the Heritage Council of New South Wales for application to Heritage Ceilings. The system was devised to allow the retrofitting of a 60/60/60 FRL to older ceilings as an alternative to ‘Active Systems’ (Sprinklers, Alarms etc), as well as other passive fire protection systems.
Penetrations through timber floors require special attention to ensure the Insulation Criteria is not compromised, such as in the case of metallic pipes, ducts fire dampers etc. Some Building Codes and/or Standards specify tolerances and details, to ensure the Insulation Criteria is not compromised. Approval is granted for the installation of proprietary Fire Collars within the Foamed Vermitex® ‘AF’ system to cater for existing and new services.