FFPP™ is a durable and efficient solution for the trenchless rehabilitation of sewage gravity pipelines, made from a specially formulated non-toxic material that is environmentally friendly. The liner offers excellent resistance to corrosion and abrasion, ensuring a secure close fit inside existing pipes while preventing leaks. Its flexible design allows for easy installation without excavation, providing a cost-effective, long-lasting, and eco-friendly solution for maintaining sewage gravity pipelines.