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Penetration fire failure seal

The electric utility will have an approved method and material to seal ducts in all new, altered or retro-fitted cable installations. The picture opposite shows unsealed electrical ducting and void openings located at a waste water treatment WTW plant — the open cable ducts undermine the purpose of the nearby fire door and should be sealed using fire rated cable duct seals. Penetration Seals — the integrity and insulation protection provided by the fire rated duct sealant will ensure up to 4 hours fire resistance in ducts. The seals can be customised to suit fire rated sealing applications including substation ducts, partitions, walls, floors, and construction systems including MV-HV switch rooms and transformer grids. Duct seals suitable for LV-HV power cables in single, trefoil or multiple configurations, including 11kV Triplex and 33kV high voltages. Provides advanced and assured sealing against water and gas for cable ducts, bore holes and openings.
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Fire Stopping: What Every Contractor Needs to Know

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Fire Stopping: What Every Contractor Needs to Know | Electrical Contractor Magazine

For approximately 40 years, unprotected or improperly protected penetrations have presented a subject of much concern to the fire-protection community. The arriving firefighters discovered several fires had broken out in five remote locations, filling many different areas of the building with smoke. According to the National Fire Protection Association's report on the fire, unprotected vertical and horizontal penetrations provided one of the major contributing causes of the rapid, erratic spread of smoke and fire. These openings allowed the smoke to spread beyond the electrical rooms and into occupied floors.
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Fire & Smoke Penetration Sealing

We do it all without metal parts and mineral wool that can corrode and degrade over time. We never compromise! Learn More Ask the experts. Cable penetrations have proven time and time again to be one of the weakest links in the safety chain.
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This website is best viewed with JavaScript enabled. Learn about enabling JavaScript. This website is best viewed on a newer browser than the one you are using. A penetration seal is needed for any hole or gap in fire resistance rated walls and floors to maintain their fire resistance rating FRR.
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