Drains can become clogged a number of reasons. In general, it is often best to ensure that your drains are covered or filtered in some way, to prevent obstructive detritus from entering the drain. In the case of residential bathroom, preventing the entry of hair into the drain is critical. In the kitchen, preventing oils and grease from entering the drain will also prove helpful in preventing future clogs. Proper disposal of oils and grease will allow your drains to function at their best. To ensure your drains and sewer perform at their best, enlist the routine maintenance services of a sewage and drainage professional like Marvel Sewer and Drain.