Sewer Roots in Dunedin. The City of Dunedin had experienced heavy sewer root penetration in the main sewer line and wanted a permanent solution. Perma-Liner was called upon for the solution to their sewer roots. The Perma-Main system is a continuous air inversion lining system, featuring the “Top Gun”. Say goodbye to your Dunedin sewer roots, Dunedin sewer breaks, or missing sections of Dunedin sewer pipe. The Perma-Main liner materials will add another 50+ years onto the life of your sewer pipe. If you live in Dunedin or any area of Tampa Bay and have experienced problems due to sewer roots, please call us!