Weight coating is an applied thin layer or covering used to protect pipelines in various applications by providing negative buoyancy. Weight coating is often used in offshore applications. Pipelines have a natural buoyancy that makes them float when placed in water; weight coating is used as a way to keep pipelines submerged.
Weight coating is used in sub-sea pipelines, large diameter pipelines, swamp or muskeg applications, and small diameter pipelines. It can be effectively applied over insulation and anti-corrosion layers, providing a wide range of densities and thicknesses.
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