Repliesbrian.boone87 (25)in drain • 3 years agoRE: DRAIN CLEANINGYup, I had a similar problem last year when I moved to a new office. On the first day, there was a sewer blockage in the building. I'm very glad that my landlord left me the contacts of the sewer…wallitor (25)in drain • 3 years agoRE: DRAIN CLEANINGHello there! How do I know what is the problem with my drainage system? I called the local plumbers but they said they needed video equipment to check. Did you have such problems?