Roots in Pipe Houston. A heavy root mass was found in a main sewer pipe in Houston. The roots had overtaken the sewer pipe and had led to many Houston homeowners being backed up. Perma-Liner offers two different pipe lining systems for this exact problem in Houston. The Sectional Point Repair system is for sectional spots repairs and the Perma-Main system is a complete manhole to manhole pipe lining system. Many factors in Houston will come into play, but no matter what Perma-Liner has the solution to permanently fix any roots in pipe.