Land and Marine TankServ - is a UK based international supplier of Storage Tank Products and Services. We are pleased to Design, Manufacture and Supply:Rim Gap Seals for External Floating Roof Tanks - Primary and Secondary Seals Roof Drain Systems for External Floating Roof Tanks Floating Suction Units for Internal Floating Roof Tanks Aluminium Pontoon Internal Floating Roofs Aluminium Geodesic Dome Roofs Heating Coils Tank Fittings, Vents, etc. Tank Engineering Services - Basic and Detail Tank Design and Draughting