Specialists for Blocked Drains in Manchester Blockaid LTD can provide a range of drainage services for blocked drains in Manchester and the North-West, including: Domestic Drain Cleaning. Liquid Waste Disposal. Tanks, Vessels and Silos Cleaning and Descaling. Sewer Renovation. Septic Tank Cleaning and Maintenance. Grease Trap Cleaning and Maintenance. General Drain Cleaning Services. CCTV Drain Surveys. Drain Unblocking Drain Location Read more…