The NOFIRNO® Flexible Pipe Penetration Seal system is engineered to protect metallic, GRP, and plastic-coated pipes in the most demanding environments. With up to four hours’ certified fire resistance, and proven performance against water, gas and smoke ingress, it delivers total peace of mind for safety-critical infrastructure.
NOFIRNO® Flexible Pipe Penetration Seals
Versatile protection for every pipe material. Designed for long-term durability, NOFIRNO® adapts to pipe movement, vibration and temperature changes without losing sealing performance. Re-enterable and maintenance-free, it is trusted across industries including marine, offshore, nuclear, utilities, transport and civil construction.
NOFIRNO® Flexible Pipe Penetration Seals
Key Benefits
- Up to 4 hours fire resistance – independently tested and certified.
- Watertight and gastight – pressure-tested up to 10 bar.
- Flexible performance – accommodates pipe movement, vibration and thermal expansion.
- Future-proof – re-enterable for maintenance or service changes.
- Proven service life – 50+ years of age-tested sealing integrity.
Designed For
- Marine and offshore structures
- Power generation and utility networks
- Nuclear and high-risk industrial facilities
- Civil and commercial construction
- Transport and tunnel infrastructure
Useful Information
Find everything you need to specify, install and maintain CSD systems. Access the latest datasheets, certifications and installation guides, all in one place.
The installation advantage
Supplied as a complete, easy-to-install system, NOFIRNO® ensures rapid deployment with minimal disruption. Its flexibility means no special frames are required, and its proven design ensures long-term compliance without the need for maintenance.
“CSD’s team are very focused in their approach to provide a high-quality product and service. We are looking forward to working with them in the future.”
Senior Electrical Design Engineer
Thames Water