Drains are present throughout your building, and though you may not think about them when theyre working well, youre sure to notice when they arent. From hair clumps to grease to sewer clogs, your drainage system faces a variety of threats. Failure to deal with these threats proactively can lead to pipe damage and interior flooding, so its essential that you watch for the signs ofdrain and sewer problems and take decisive action when they occur. The more proactive you are, the easier it is to keep your drains clear throughout the year.