Inside a non-combustible fibreglass casing, a high-density concentrate of intumescent components, inert thermal insulators and products with gradual release of water, minimises the depth of sealing necessary to contain the passage of heat: with an insulating thickness for cables up to. Inside a non-combustible fibreglass casing, a high-density concentrate of intumescent components, inert thermal insulators and products with gradual release of water, minimises the depth of sealing necessary to contain the passage of heat: with an insulating thickness for cables up to. Flamro offers you approved penetration sealing systems for cable systems as well as pipe and mixed penetration sealing systems, cable ducts, and other fire protection products. Electrical, IT, and telecommunications lines are indispensable for the usage of buildings. To supply the different areas. Electrical cable tray wall penetration firestopping Scope: Firestopping for busway, cable trays, cables, and trunking passing through walls in enclosed electrical installations. Where cables pass through shafts, walls, slabs, or enter electrical panels or cabinets, openings shall be tightly sealed. AF BAGS are intumescent and ablative fireproof pillows certified under EN 1366-3 for sealing up to EI 240 of cable tray penetrations. This organic/inorganic elastomeric sheet is. the roxtec sealing system for cables and pipes protects against fire – but also against gas, water, and several other risk factors. Working in inaccessible openings is often cumbersome.