Residential Pipe Liner LA. Residential pipe liners stay quite active in Los Angeles. Due to the majority of Clay pipes in Los Angeles, it’s a safe bet that the infrastructure is failing. Common issues why residential pipe lines fail is due to breaks and tree roots overtaking the pipe. If you live in Los Angeles, you may want to have your sewer pipe line inspected to see the current condition of the pipe. While you’re at it, if you live in Los Angeles and you’re looking for a residential pipe liner… call Perma-Liner!