A blocked drain can cause all sorts of problems here at Drain-Blast we have diagnostic tools such as to determine the severity of a blockage, and a range of Drain Cleaning solutions. One of the best methods for Unblocking Drains is the use of High Pressure Drain Jets. We know how inconvenient it can be to have to either leave work early, or take the day off for a drain cleaning appointment. Waiting for a drain cleaning technician to arrive can be incredibly frustrating, especially if he is late.