Patent pending for United Felts “one-of-a-kind” EnviroCure CIPP liner technology following re-launch
(UI) – United Felts announced the re-launch of its patent-pending EnviroCure felt, an enhancement in Cured-In-Place Pipe (CIPP) technology, now with patent-pending status.

As the only liner of its kind, EnviroCure felt uniquely maintains the strength of traditional CIPP liners while significantly reducing styrene emissions, setting a new standard for environmental responsibility and durability in the trenchless rehabilitation industry.
EnviroCure-Felt uses a unique impermeable polymer coating technology to create a barrier that prevents styrene emissions, meeting regulatory standards and significantly improving job site safety. The liner is designed for ease of installation using traditional methods, ensuring that it can be integrated seamlessly into existing operations without additional equipment or training.
Mike Vellano, President and CEO of Vortex Companies, the parent company of United Felts, highlighted the broader impact of EnviroCure felt, remarking, "With EnviroCure felt, we are giving the industry a sustainable lining option that addresses the crucial issue of styrene emissions while ensuring our products stand the test of time. This innovation is part of our commitment to supporting the maintenance of aging infrastructure with solutions that are both effective and conscious to evolving asset owner requirements."
This re-launch follows extensive third-party testing, confirming that EnviroCure emissions are consistently below 1 part per million, surpassing industry expectations and regulatory requirements. The liner is suitable for a wide range of applications, from municipal sewer rehabilitation to industrial pipeline maintenance.
Matt Timberlake, President of United Felts, said, "EnviroCure felt represents a significant leap forward for our industry. This made in America technology allows us to offer our clients a product that does not compromise on strength or environmental impact. By maintaining the integrity of traditional liners and significantly reducing emissions, we provide a solution that meets the rigorous demands of modern infrastructure projects without sacrificing performance."
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