Dial One Schilling did excellent work accessing a cleanout behind my plastered wall and clearing a shower drain obstruction. They did this cleanly and professionally, preserving access to the cleanout and nicely maintaining the plastered wall. The solution looks great! I have used their services for many years and they have proven always to perform excellent work in a very timely manner. They are multi-talented, enabling them to offer reliable solutions, often with various alternatives. I highly recommend them.