Protect critical cable penetrations across your energy network
The energy industry’s go-to choice.
Field-proven sealing and jointing solutions for power and energy infrastructure
FILOform provides cable sealing and jointing solutions for power infrastructure. Use our systems across substations, solar installations, battery energy storage systems and utility enclosures to seal penetrations against ingress.
Wherever you need reliable performance, easier installation, and support for future cable changes – standardise on FILOform seals.
Sealing the energy sector across every application
Protect battery containers, PCS enclosures, transformers, and control buildings from ingress at critical cable entry points. As energy storage sites expand, cable counts grow and layouts change. That's why our sealing solutions are designed to help you protect infrastructure now and adapt it later. Use cases include: Cable entries into containers and enclosures // Duct sealing into storage assets // Sealing around multiple power and control cables // Supporting future maintenance or upgrade requirements //
Inverter stations, transformers, switchgear, and substation assets across solar installations all need engineered ingress protection. Use FILOform solutions to seal those cable penetrations properly – maintaining site integrity and reducing avoidable maintenance. Use cases include: Inverter and control equipment // Transformer and switchgear connections // Substation building entries // Underground duct sealing
Seal cable entries across primary and secondary substations, switchrooms, kiosks and associated power infrastructure. Substations face constant environmental exposure and long operating lives. So, our solutions help you protect penetrations and joints for the long-term. Use cases include: Building and wall penetrations // Duct entries // Kiosks and switchrooms // Cable jointing requirements
Protect cabinets and kiosk bases against water ingress, contamination, and external ground-level exposure. Remote assets are often the first to suffer when sealing fails. With the right sealing approach, you can keep infrastructure protected and easier to maintain. Use cases include: Cabinet bases // Feeder pillars // Roadside enclosures // Network control cabinets // Low-level cable entries
You must seal ducts and penetrations wherever cables enter substations, enclosures, buildings and energy assets. FILOform solutions can help maintain a reliable seal, while also supporting future access where required.
Build a complete sealing specification with FILOform
Helping you secure lasting protection
The project results
¿Por qué FILOform?
Get expert sealing support for your project
Your cables don’t enter the network in one place. They pass through cabinets, kiosks, substations, buildings, ducts and enclosures. Every one of those entry points represents a potential point of failure. And every one of them also requires their own careful sealing considerations.
Use FILOform to help you select the right solution, for the right application. From consultation through to installation support, we provide engineers with the confidence that their assets are protected for the long term. That’s why major energy providers continue to standardise on FILOform solutions.

FILOform has built a reputation with utilities, DNOs, and renewable operators for delivering solutions that work first time, every time. Our products are proven in some of the harshest environments and are trusted to protect connections that keep energy flowing.
Casos prácticos
Proven in critical infrastructure projects around the world
Substations. Solar. BESS. Nuclear. Enclosures. Cabinets. Kiosks. Wind turbines. More.
Contact us for any energy sector sealing query
Our joints and seals specialists are here to help.
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